{"name":"Hiram M. Chittenden Locks","city":"Seattle, Washington","canonical_url":"https://gydeinfo.com/seattle/places/hiram-m-chittenden-locks/","markdown_url":"https://gydeinfo.com/seattle/places/hiram-m-chittenden-locks.md","updated_at":"2026-06-20T18:48:52.935317+00:00","facts":[{"claim":"The official Seattle Parks page is for **Hiram M. Chittenden Locks** in Seattle, Washington.","citation":"https://www.seattle.gov/parks/find/parks/hiram-m.-chittenden-locks","source_title":"Hiram M. Chittenden Locks","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:17.206989+00:00","fact_type":"location","as_of":"2026-06-20","confidence":0.99},{"claim":"The place is identified on the official site as a Seattle Parks destination, indicating it is a public park site rather than a single building.","citation":"https://www.seattle.gov/parks/find/parks/hiram-m.-chittenden-locks","source_title":"Hiram M. Chittenden Locks","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:17.206989+00:00","fact_type":"significance","as_of":"2026-06-20","confidence":0.84},{"claim":"BallardLocks.org identifies itself as the official site for visitor information and public support for the locks.","citation":"https://ballardlocks.org","source_title":"Ballard Locks: Hiram M. Chittenden","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:12.957862+00:00","fact_type":"significance","as_of":"2026","confidence":0.88},{"claim":"The locks are free to visit daily from 7 a.m. to 9 p.m.","citation":"https://travel.usnews.com/Seattle_WA/Things_To_Do/Hiram_M_Chittenden_Locks_33261/","source_title":"Hiram M. Chittenden Locks (Ballard Locks) - U.S. News Travel","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:48:12.129473+00:00","fact_type":"significance","as_of":"2026","confidence":0.86},{"claim":"The locks are located in northwest Seattle's Ballard district, north of downtown.","citation":"https://travel.usnews.com/Seattle_WA/Things_To_Do/Hiram_M_Chittenden_Locks_33261/","source_title":"Hiram M. Chittenden Locks (Ballard Locks) - U.S. News Travel","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:48:12.129473+00:00","fact_type":"location","as_of":"2026","confidence":0.84},{"claim":"The locks incorporated lock chambers designed for water conservation and to reduce saltwater intrusion into Lake Washington.","citation":"https://www.asce.org/about-civil-engineering/history-and-heritage/historic-landmarks/lake-washington-ship-canal-and-hiram-m-chittenden-locks","source_title":"Lake Washington Ship Canal & Hiram M. Chittenden Locks - ASCE","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:48:11.274614+00:00","fact_type":"history","as_of":"2026","confidence":0.98},{"claim":"The project was completed in 1917.","citation":"https://www.asce.org/about-civil-engineering/history-and-heritage/historic-landmarks/lake-washington-ship-canal-and-hiram-m-chittenden-locks","source_title":"Lake Washington Ship Canal & Hiram M. Chittenden Locks - ASCE","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:48:11.274614+00:00","fact_type":"history","as_of":"1917","confidence":0.99},{"claim":"The locks are described by ASCE as the largest and most heavily used locks on the West Coast.","citation":"https://www.asce.org/about-civil-engineering/history-and-heritage/historic-landmarks/lake-washington-ship-canal-and-hiram-m-chittenden-locks","source_title":"Lake Washington Ship Canal & Hiram M. Chittenden Locks - ASCE","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:48:11.274614+00:00","fact_type":"significance","as_of":"2026","confidence":0.92},{"claim":"The project transformed Seattle into a major metropolitan port city and advanced engineering practice.","citation":"https://www.asce.org/about-civil-engineering/history-and-heritage/historic-landmarks/lake-washington-ship-canal-and-hiram-m-chittenden-locks","source_title":"Lake Washington Ship Canal & Hiram M. Chittenden Locks - ASCE","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:48:11.274614+00:00","fact_type":"significance","as_of":"2026","confidence":0.89},{"claim":"Vessel traffic is 24/7; grounds are open 7 a.m. to 9 p.m.; the fish ladder viewing room is open 7 a.m. to 8:45 p.m.","citation":"https://www.nws.usace.army.mil/Missions/Civil-Works/Locks-and-Dams/Chittenden-Locks/","source_title":"Lake Washington Ship Canal and Hiram M. Chittenden Locks","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:10.460074+00:00","fact_type":"hours","as_of":"2025","confidence":0.99},{"claim":"For Oct. 1, 2025 to Apr. 30, 2026, the Visitor Center is open Wednesday through Sunday from 10:00 a.m. to 3:00 p.m. and closed Monday and Tuesday.","citation":"https://www.nws.usace.army.mil/Missions/Civil-Works/Locks-and-Dams/Chittenden-Locks/","source_title":"Lake Washington Ship Canal and Hiram M. Chittenden Locks","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:10.460074+00:00","fact_type":"hours","as_of":"2025","confidence":0.99},{"claim":"For May 1, 2025 to Sept. 30, 2025, the Visitor Center is open Wednesday through Sunday from 10:00 a.m. to 6:00 p.m. and closed Monday and Tuesday.","citation":"https://www.nws.usace.army.mil/Missions/Civil-Works/Locks-and-Dams/Chittenden-Locks/","source_title":"Lake Washington Ship Canal and Hiram M. Chittenden Locks","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:10.460074+00:00","fact_type":"hours","as_of":"2025","confidence":0.99},{"claim":"Construction of the Lake Washington Ship Canal and Hiram M. Chittenden Locks was completed in 1917 by the U.S. Army Corps of Engineers.","citation":"https://www.recreation.gov/ticket/facility/10112103","source_title":"Hiram M. Chittenden Locks and Lake Washington Ship Canal","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:09.662062+00:00","fact_type":"history","as_of":"1917","confidence":0.99},{"claim":"The address is 3015 NW 54th Street, Seattle, WA 98107.","citation":"https://www.recreation.gov/ticket/facility/10112103","source_title":"Hiram M. Chittenden Locks and Lake Washington Ship Canal","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:09.662062+00:00","fact_type":"location","as_of":"2026","confidence":0.99},{"claim":"Free daily tours begin at 2:00 pm when the Visitor Center is open, running about one hour, Wednesday through Sunday from May 1 to September 30.","citation":"https://www.recreation.gov/ticket/facility/10112103","source_title":"Hiram M. Chittenden Locks and Lake Washington Ship Canal","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:09.662062+00:00","fact_type":"hours","as_of":"2025","confidence":0.95},{"claim":"The grounds include a visitor center, fish ladder, and the Carl S. English, Jr. Botanical Gardens.","citation":"https://www.recreation.gov/ticket/facility/10112103","source_title":"Hiram M. Chittenden Locks and Lake Washington Ship Canal","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:09.662062+00:00","fact_type":"accessibility","as_of":"2025","confidence":0.96},{"claim":"The Hiram M. Chittenden Locks were completed in 1917 by the U.S. Army Corps of Engineers to connect Lake Washington and Lake Union to Salmon Bay and Puget Sound via the Ship Canal.","citation":"https://mtsgreenway.org/location/hiram-m-chittenden-locks/","source_title":"Hiram M. Chittenden Locks - Mountains To Sound Greenway Trust","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:08.823418+00:00","fact_type":"history","as_of":"1917","confidence":0.98},{"claim":"The locks were listed on the National Register of Historic Places in 1978 and designated by ASCE as a National Historic Civil Engineering Landmark.","citation":"https://mtsgreenway.org/location/hiram-m-chittenden-locks/","source_title":"Hiram M. Chittenden Locks - Mountains To Sound Greenway Trust","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:08.823418+00:00","fact_type":"significance","as_of":"1978","confidence":0.96},{"claim":"The locks are one of Seattle’s most popular tourist attractions and generate significant regional economic benefit.","citation":"https://mtsgreenway.org/location/hiram-m-chittenden-locks/","source_title":"Hiram M. Chittenden Locks - Mountains To Sound Greenway Trust","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:08.823418+00:00","fact_type":"significance","as_of":"2024","confidence":0.84}],"sources":[{"title":"Hiram M. Chittenden Locks","url":"https://www.seattle.gov/parks/find/parks/hiram-m.-chittenden-locks","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:17.206989+00:00","license":"unknown"},{"title":"Ballard Locks: Hiram M. Chittenden","url":"https://ballardlocks.org","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:12.957862+00:00","license":"unknown"},{"title":"Hiram M. Chittenden Locks (Ballard Locks) - U.S. News Travel","url":"https://travel.usnews.com/Seattle_WA/Things_To_Do/Hiram_M_Chittenden_Locks_33261/","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:48:12.129473+00:00","license":"unknown"},{"title":"Lake Washington Ship Canal & Hiram M. Chittenden Locks - ASCE","url":"https://www.asce.org/about-civil-engineering/history-and-heritage/historic-landmarks/lake-washington-ship-canal-and-hiram-m-chittenden-locks","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T17:48:11.274614+00:00","license":"unknown"},{"title":"Lake Washington Ship Canal and Hiram M. Chittenden Locks","url":"https://www.nws.usace.army.mil/Missions/Civil-Works/Locks-and-Dams/Chittenden-Locks/","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:10.460074+00:00","license":"unknown"},{"title":"Hiram M. Chittenden Locks and Lake Washington Ship Canal","url":"https://www.recreation.gov/ticket/facility/10112103","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:09.662062+00:00","license":"unknown"},{"title":"Hiram M. Chittenden Locks - Mountains To Sound Greenway Trust","url":"https://mtsgreenway.org/location/hiram-m-chittenden-locks/","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T17:48:08.823418+00:00","license":"unknown"}],"commercial_actions":[],"source_policy":{"booking_links_are_evidence":false,"denied_as_evidence":["google_places","google","yelp","tripadvisor"],"allowed_uses":["canonical_data","facts_with_citation","anecdote"]}}