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

92 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

French Embassy in CanadaDoors Open Ottawa

  • In-person Doors Open Ontario

French Embassy in Canada

This site is an example of 1930s art deco, built primarily of materials from Quebec and France. Highlights include the Salon de l’hon. George W. Vari (formerly the Birch Bark room), a replica of the Vimy Memorial, bronze decorations by André Bizette-Lindet, wall engravings and murals. No strollers, backpacks, metal objects, food (including chewing gum) or drinks. Photography restricted.

    Contact info

    42 Sussex Drive
    Ottawa, Ontario
    https://ca.ambafrance.org/-English-

    Architecture

    Year built: 1930s
    Building type: Government building Private residence

    Dates/hours open

    Jun 07 - Jun 07

    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
    • Digital Doors Open Icon 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. The Ottawa Sports Hall of Fame is now permanently housed here.

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

    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

    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

    Jami OmarDoors Open Ottawa

    • In-person Doors Open Ontario

    Jami Omar

    Established in 1992, the Jami Omar Mosque was located inside a renovated bungalow. But, in 2003, construction began on a new mosque located on the same property. Over the next 15 years, the new and much larger mosque was constructed. It provides various services for the community — including marriages, family counselling and funeral services.

    • Full wheelchair access
    • Kid-friendly
    • Parking
    • Rental opportunities

    Contact info

    3990 Old Richmond Road
    Ottawa, Ontario
    http://www.jamiomar.org

    Architecture

    Year built: 2003
    Building type: Place of worship

    Dates/hours open

    Jun 07 - Jun 08

    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

    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