Doors Open Ontario presenting sponsor
Doors Open Ontario presenting sponsor

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Doors Open Ontario:

Ottawa

in-person event information

Saturday and Sunday, June 7 and 8, 2025, from 10 a.m. to 4 p.m.

Welcome to Doors Open Ottawa!

Get ready to explore the hidden gems of Canada's capital as we celebrate the 23rd anniversary of this incredible event. Whether you're a local or a visitor, Doors Open Ottawa offers a unique opportunity to peek behind the doors of over 100 significant buildings across the city, many of which are usually closed to the public or charge admission.

From embassies and breweries to churches and museums, you'll discover the rich history, culture and stunning architecture that make Ottawa so special. Imagine wandering through a Victorian jail-turned-hostel, or exploring a 1920s garage that's now a bustling community theatre. With a mix of in-person and virtual tours, there's something for everyone to enjoy.

So, mark your calendars, grab your friends and family, and join us for a weekend of fun, discovery and adventure.

The full list of participating buildings will be available online on May 16! Visit ottawa.ca/doorsopen for more details.

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Contact information

89 In-person Doors Open sites

Dickinson House MuseumDoors Open Ottawa

  • In-person Doors Open Ontario

Dickinson House Museum

Nestled in the heart of Manotick Village, Dickinson Square shares a remarkable past rooted in Canadian history and industrial ingenuity. Run by Watson’s Mill Manotick Inc., Dickinson Square comprises two sites: Watson’s Mill and the Dickinson House Museum. This heritage home explores the lives of the past mill owners. After touring this historical museum, check out the adjacent mill.

  • Guided tours available
  • Kid-friendly
  • Parking
  • Washrooms
  • Photography allowed

Contact info

1127 Mill Street
Manotick, Ontario
https://watsonsmill.com

Architecture

Year built: 1867
Building type: Historical house Museum
Architect: Moss Kent Dickinson

Dates/hours open

Jun 07 - Jun 08

Diefenbunker: Canada's Cold War MuseumDoors Open Ottawa

  • In-person Doors Open Ontario

Diefenbunker: Canada's Cold War Museum

The Diefenbunker is Canada’s most significant surviving Cold War artifact. It is an impressive four-storey underground facility that operated as the country’s central communications headquarters during the Cold War, ready at any moment in case of a nuclear attack. Now a museum, the Diefenbunker offers a one-of-a-kind experiential learning environment, coupled with award-winning programs, events and exhibitions. Registration required.

  • Adaptive reuse
  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking
  • Washrooms
  • Photography allowed

Contact info

3929 Carp Road
Carp, Ontario
https://diefenbunker.ca

Architecture

Year built: 1961
Building type: Attraction Historical landmark Military Museum
Architect: Defense Construction Canada

Dates/hours open

Jun 07 - Jun 07

Dominion Observatory CampusDoors Open Ottawa

  • In-person Doors Open Ontario

Dominion Observatory Campus

The Dominion Observatory Campus consists of several scientific buildings used for astronomy, seismology, gravity and geo-magnetism. In 1904, the first building was constructed to house the retractable telescope. In 1905, a transit house was added to the western wing for the meridian circle telescope and transit instruments that were used to determine time, longitude and star positions.

  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking

Contact info

1 Observatory Crescent
Ottawa, Ontario

Architecture

Year built: 1904
Building type: Educational facility
Architect: David Ewart

Dates/hours open

Jun 07 - Jun 07

Dormition of the Virgin Mary Greek Orthodox ChurchDoors Open Ottawa

  • In-person Doors Open Ontario

Dormition of the Virgin Mary Greek Orthodox Church

This church, designed by architect Konstantinos Zourdoumis and constructed in 1975, is a fine example of the neo-Byzantine style with its classic domed structure. Highlights include hand-painted Byzantine icons on the domed ceiling and walls, a hand-carved wooden iconostasis wall in front of the altar, and beautiful mosaic tiles.

  • Full wheelchair access
  • Parking
  • Self-guided tours available
  • Washrooms
  • Photography allowed

Contact info

1315 Prince of Wales Drive
Ottawa, Ontario
https://helleniccommunity.com/our-church

Architecture

Year built: 1975
Building type: Place of worship
Architect: Konstantinos Zourdoumis

Dates/hours open

Jun 07 - Jun 08

Embassy of the People's Republic of China in CanadaDoors Open Ottawa

New

  • In-person Doors Open Ontario

Embassy of the People's Republic of China in Canada

In 1866, Mother Marie of the Order of Our Lady of Charity came to Ottawa to conduct mission work in a building on this site. By 1877, a spacious new monastery building was constructed, which was further expanded in 1895. Following a devastating 1938 fire, the monastery was rebuilt. In 1972, the Chinese government purchased it as Chinese Embassy’s chancery.

  • Adaptive reuse
  • Guided tours available
  • Kid-friendly
  • Washrooms

Contact info

515 St. Patrick Street
Ottawa, Ontario
http://ca.china-embassy.gov.cn

Architecture

Year built: 1877; 1895; 1941
Building type: Government building

Dates/hours open

Jun 07 - Jun 07

Embassy of the Republic of ArmeniaDoors Open Ottawa

  • In-person Doors Open Ontario

Embassy of the Republic of Armenia

Since the late 1940s, this building has housed three embassies — the Uruguayan Embassy, the Embassy of the Hungarian People’s Republic, and the current one. In 1995, the mansion was purchased and donated to the Republic of Armenia by a prominent Armenian-American businessman and philanthropist. Each year, they welcome hundreds of visitors interested in architecture and Armenian history.

  • Parking
  • Site is protected by the Ontario Heritage Trust

Contact info

7 Delaware Avenue
Ottawa, Ontario
https://www.mfa.am/en

Architecture

Year built: 1907-08; 2005 (renovations)
Building type: Government building
Architect: Remodelled by W.E. Noffke (1922)

Dates/hours open

Jun 07 - Jun 08

Embassy of the Republic of CroatiaDoors Open Ottawa

  • In-person Doors Open Ontario

Embassy of the Republic of Croatia

Known as Toller House, this building was designed by Henry Horsey and J. Sheard in the domestic Gothic revival style. Many dignitaries lived here, including Frederic Toller, Auditor General of the Dominion’s Currency in the 1880s. In 1999, it opened as the Embassy of Croatia following an award-winning restoration. Guided tours will be offered for the ground level only.

  • Guided tours available
  • Kid-friendly
  • Parking

Contact info

229 Chapel Street
Ottawa, Ontario
https://mvep.gov.hr/ca/en

Architecture

Year built: 1875

Architect: Henry Horsey and J. Sheard

Dates/hours open

Jun 07 - Jun 07

Enriched Bread Artists StudiosDoors Open Ottawa

  • In-person Doors Open Ontario

Enriched Bread Artists Studios

Enriched Bread Artists is a not-for-profit collective of visual artists working in a range of media and techniques. It was formed in 1992 by graduates of the University of Ottawa looking for studio space and an artistic community beyond university. Today, its membership is global. The name refers to the former bread factory where these studios are located.

  • Kid-friendly
  • Parking
  • Site is protected by the Ontario Heritage Trust
  • Washrooms

Contact info

951 Gladstone Avenue
Ottawa, Ontario
https://www.enrichedbreadartists.com

Architecture

Year built: 1924
Building type: Commercial
Architect: Sydney Comber

Dates/hours open

Jun 07 - Jun 08

Fairfields Heritage HouseDoors Open Ottawa

  • In-person Doors Open Ontario
  • Digital Doors Open Icon Ontario

Fairfields Heritage House

Fairfields Heritage House is an impressive 19th-century farmhouse with recreated rooms that tell the story of the many generations of the Bell family who made their mark on the home, the property and their community. The collection of 3,000 artifacts reflects the family’s shifting priorities. The property still features beautiful green lawns, gardens, a gazebo and statuesque trees.

  • Digital Doors Open
  • Adaptive reuse
  • Guided tours available
  • Kid-friendly
  • Parking
  • Site is protected by the Ontario Heritage Trust
  • Washrooms
  • Photography allowed
  • Virtual tours
  • Kid-friendly

Contact info

3080 Richmond Road
Ottawa, Ontario
https://ottawa.ca/fairfields-heritage-house

Architecture

Year built: 1871-72
Building type: Historical house Museum

Dates/hours open

Jun 07 - Jun 08

Gladstone Theatre, TheDoors Open Ottawa

  • In-person Doors Open Ontario

Gladstone Theatre, The

The Gladstone Theatre has been a theatre for nearly 50 years. Initially a garage, it was turned into a 230-seat theatre in 1983 by the Great Canadian Theatre Company, with further renovations in 2007. By 2016, it was regularly hosting 12 stylistically diverse theatre companies, with more than 27,000 tickets being sold per year. Come and explore this unique site!

  • Adaptive reuse
  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking
  • Washrooms
  • Photography allowed
  • Rental opportunities

Contact info

910 Gladstone Avenue
Ottawa, Ontario
https://thegladstone.ca

Architecture

Year built: 1983; 2007
Building type: Theatre

Dates/hours open

Jun 07 - Jun 07

Goulbourn MuseumDoors Open Ottawa

  • In-person Doors Open Ontario

Goulbourn Museum

Located in Stittsville, the Goulbourn Museum preserves and interprets materials from the Goulbourn Township area. Built in 1872, the building was once the old town hall for the former township. This popular community hub was home to council meetings, parties and dances. The adjacent office building is used as administrative offices, as well as the museum’s primary collections storage.

  • Adaptive reuse
  • Full wheelchair access
  • Kid-friendly
  • Parking
  • Washrooms
  • Photography allowed

Contact info

2064 Huntley Road
Ottawa, Ontario
https://goulbournmuseum.ca

Architecture

Year built: 1872
Building type: Attraction Government building Historical landmark Museum

Dates/hours open

Jun 07 - Jun 08

Heritage Building and Ottawa City HallDoors Open Ottawa

  • In-person Doors Open Ontario

Heritage Building and Ottawa City Hall

Originally built as the Ottawa Normal School, this site is now Ottawa City Hall. Built in the Gothic Renaissance style, it reflects the influence of the Parliament Buildings — with Italianate windows and Romanesque columns. Purchased by the municipality in 1987, the restored building opened as city hall in 2001, housing the offices of the Mayor, City Manager and City Clerk.

  • Adaptive reuse
  • Full wheelchair access
  • Kid-friendly
  • Self-guided tours available
  • Washrooms
  • Photography allowed

Contact info

110 Laurier Avenue West (Elgin Street entrance)
Ottawa, Ontario
https://ottawa.ca

Architecture

Year built: 1875
Building type: Government building
Architect: W.R. Strickland and Kivas Tully

Dates/hours open

Jun 07 - Jun 08

Hindu Temple of Ottawa-CarletonDoors Open Ottawa

  • In-person Doors Open Ontario

Hindu Temple of Ottawa-Carleton

The design, architecture and interior shrines of this temple follow traditional Hindu architectural styles. Deities in these shrines are made of granite, marble and bronze. The large prayer hall hosts ceremonies throughout the year. The temple also houses a reference library on Hindu religion and philosophy. When visiting, everyone is required to remove their footwear.

  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking
  • Washrooms
  • Photography allowed

Contact info

4835 Bank Street
Ottawa, Ontario
https://hindutemple.ca

Architecture

Year built: 1984
Building type: Place of worship

Dates/hours open

Jun 07 - Jun 07

Ingenium CentreDoors Open Ottawa

  • In-person Doors Open Ontario

Ingenium Centre

The Ingenium Centre houses Canada’s science and technology collection, with more than two million archival, trade literature and library materials, and more than 150,000 artifacts. The Centre provides a controlled environment to protect the artifacts for the benefit of generations to come. It is designed to properly house artifacts made of materials such as plastic, wood, paper, textiles and ivory.

  • Full wheelchair access
  • Guided tours available
  • Parking
  • Washrooms
  • Photography allowed

Contact info

1865 St. Laurent Blvd.
Ottawa, Ontario
https://ingeniumcanada.org/centre

Architecture

Year built: 2019

Architect: Diamond Schmitt

Dates/hours open

Jun 07 - Jun 07

Kadampa Meditation Centre of OttawaDoors Open Ottawa

  • In-person Doors Open Ontario

Kadampa Meditation Centre of Ottawa

Kadampa Meditation Centre of Ottawa (formerly Joyful Land Buddhist Centre) is the focal point for the Ottawa community of the modern tradition of Mahayana Buddhism called the New Kadampa Tradition. Housed in a classical Victorian red-brick building in Chinatown, it features a beautiful shrine with Buddha statues. Chat with members of the Buddhist community and learn about their many programs.

  • Guided tours available
  • Kid-friendly
  • Parking
  • Washrooms

Contact info

879 Somerset Street West
Ottawa, Ontario
https://meditateinottawa.org

Architecture

Year built: Established in 1996
Building type: Historical house

Dates/hours open

Jun 07 - Jun 08

Knox Presbyterian ChurchDoors Open Ottawa

  • In-person Doors Open Ontario

Knox Presbyterian Church

Knox Presbyterian Church is known for its high-quality building materials, beautiful interiors and gorgeous stained glass. The interior features Italian marble, British Columbia cedar and redwood, and British lantern lights in the sanctuary. Two stained-glass windows are illuminated from the east and west, highlighting the life of Jesus and the Book of Revelation. Nepean fieldstone was used for the exterior.

  • Full wheelchair access
  • Guided tours available
  • Parking
  • Washrooms

Contact info

120 Lisgar Street
Ottawa, Ontario
https://www.knoxottawa.ca

Architecture

Year built: 1932-33

Architect: Henry Sproatt

Dates/hours open

Jun 07 - Jun 08

Laurier House National Historic SiteDoors Open Ottawa

  • In-person Doors Open Ontario

Laurier House National Historic Site

Laurier House commemorates two of Canada’s most notable prime ministers — Sir Wilfrid Laurier and the Right Honourable William Lyon Mackenzie King. For over 50 years, from 1897 to 1948, the house occupied a central position in Canada’s political life as the residence of Laurier and, after his death, of Mackenzie King.

  • French services available
  • Guided tours available
  • Kid-friendly
  • National Historic Site (Canada)
  • Parking
  • Partial wheelchair access
  • Washrooms
  • Photography allowed

Contact info

335 Laurier Avenue East
Ottawa, Ontario
https://www.pc.gc.ca/en/lhn-nhs/on/laurier/

Architecture

Year built: 1879
Building type: Historical landmark Historical house

Dates/hours open

Jun 07 - Jun 08

Library and Archives Canada, TheDoors Open Ottawa

  • In-person Doors Open Ontario

Library and Archives Canada, The

The Library and Archives Canada is in a prominent structure, comprising two symmetrical four-storey wings that wrap around a central nine-storey tower block. It’s located at the western extremity of Ottawa’s Parliamentary Precinct overlooking the Ottawa River. Clad in grey granite, the building is accented with polished granite panels and brushed aluminum railings. The building houses the National Library collection.

  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking
  • Washrooms
  • Photography allowed

Contact info

395 Wellington Street
Ottawa, Ontario
https://library-archives.canada.ca

Architecture

Year built: 1967
Building type: Government building Historical landmark Library
Architect: Mathers and Haldenby

Dates/hours open

Jun 07 - Jun 08

Library of Parliament (former Bank of Nova Scotia)Doors Open Ottawa

  • In-person Doors Open Ontario

Library of Parliament (former Bank of Nova Scotia)

Discover the interim main library inside a former bank — designed in 1924 by John MacIntosh Lyle, one of Canada’s leading beaux-arts architects. In this unique setting, where modernism rubs against a classical esthetic, you will learn about the Library of Parliament’s collections and services as well as have a look inside its reading room, upgraded in 2018.

  • Full wheelchair access
  • Parking
  • Self-guided tours available
  • Washrooms
  • Photography allowed

Contact info

125 Sparks Street
Ottawa, Ontario
https://lop.parl.ca

Architecture

Year built: 1924
Building type: Government building Library
Architect: John MacIntosh Lyle

Dates/hours open

Jun 07 - Jun 08

Lisgar Collegiate InstituteDoors Open Ottawa

  • In-person Doors Open Ontario

Lisgar Collegiate Institute

Ottawa’s first high school has occupied this prime downtown location alongside the Rideau Canal since 1874. The Gothic revival building has been extended and renovated several times. It has many distinct architectural features — including an impressive 660-seat auditorium that maintains much of its original character, and an attic that students used as a shooting range during the Second World War.

  • Guided tours available
  • Parking
  • Washrooms
  • Photography allowed

Contact info

29 Lisgar Street
Ottawa, Ontario
https://www.lisgar.net

Architecture

Year built: 1874, with subsequent extensions and renovations
Building type: Educational facility Historical landmark
Architect: William Tutin Thomas

Dates/hours open

Jun 07 - Jun 07

Nepean Sailing ClubDoors Open Ottawa

  • In-person Doors Open Ontario

Nepean Sailing Club

This sailing club is a family-oriented, volunteer-based organization dedicated to promoting and encouraging active participation in the sport of sailing and recreational boating. Since opening, the club has provided a range of cutting-edge public and member programs, as well as hosting important aquatic events and national regattas. The terrace offers stunning views of the Ottawa River.

  • Guided tours available
  • Kid-friendly
  • Parking
  • Washrooms
  • Photography allowed
  • Rental opportunities

Contact info

3259 Carling Avenue
Nepean, Ontario
https://nsc.ca

Architecture

Year built: Established in 1979; 1990 (main clubhouse)
Building type: Sports facility
Architect: Griffiths Rankin Cook Architects (main clubhouse)

Dates/hours open

Jun 07 - Jun 07

Osgoode Township MuseumDoors Open Ottawa

  • In-person Doors Open Ontario
  • Digital Doors Open Icon Ontario

Osgoode Township Museum

Operating since 1973, the Osgoode Township Museum presents the story of Ottawa South’s agricultural and rural heritage. The main museum building is a mid-century two-room schoolhouse that holds the collection of nearly 11,000 artifacts. Explore the galleries, gift shop and research library during your visit. Then step outside and wander through the Agricultural Barn and discover their vast farming collection.

  • Digital Doors Open
  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking
  • Site has blue and gold provincial plaque
  • Washrooms
  • Virtual tours
  • Collections and resources

Contact info

7814 Lawrence Street
Vernon, Ontario
https://osgoodemuseum.ca

Architecture

Year built: 1961
Building type: Museum Schoolhouse
Architect: Balharrie, Helmer & Associates

Dates/hours open

Jun 07 - Jun 08

Ottawa Cancer Foundation, The — Maplesoft-Jones Centre and Cancer Survivors ParkDoors Open Ottawa

  • In-person Doors Open Ontario

Ottawa Cancer Foundation, The — Maplesoft-Jones Centre and Cancer Survivors Park

The Maplesoft-Jones building is home to Ottawa's only Community Cancer Hub, where they are transforming supportive cancer care through dynamic collaborations with diverse community partners. They empower people living with, and impacted by, cancer on every step of their journey. And the Cancer Survivors Park is a beacon for those making their way to The Ottawa Cancer Foundation.

  • Full wheelchair access
  • Guided tours available
  • Parking
  • Washrooms

Contact info

1500 Alta Vista Drive
Ottawa, Ontario
https://ottawacancer.ca

Architecture

Building type: Health-care facility

Dates/hours open

Jun 07 - Jun 08

Ottawa Glassblowing Co-opDoors Open Ottawa

  • In-person Doors Open Ontario

Ottawa Glassblowing Co-op

Founded in 2019, the Ottawa Glassblowing Co-op is located in the heart of Ottawa near Little Italy. Their mandate is to foster a glassblowing co-operative that operates inclusively to support the artistic creativity, learning and growth of its members and to educate the public in the art of glass. Come and see glassblowing demos by local artists!

  • Full wheelchair access
  • Kid-friendly
  • Parking
  • Photography allowed

Contact info

957C Gladstone Avenue
Ottawa, Ontario
https://ottawaglassblowing.ca

Architecture

Building type: Commercial Educational facility

Dates/hours open

Jun 07 - Jun 08