![The Peterborough lift lock along the Trent-Severn Waterway National Historic Site. The Peterborough lift lock along the Trent-Severn Waterway National Historic Site.](https://www.nationalparkstraveler.org/sites/default/files/styles/panopoly_image_original/public/media/tswnhs-peterborough_lift_lock_credit_parks_canada.jpeg?itok=I7mea-lm)
The Peterborough lift lock along the Trent-Severn Waterway National Historic Site/Parks Canada
High water levels and flows have forced Parks Canada to expand the partial closure of navigation at the Trent-Severn Waterway National Historic Site.
Lock 1 (Trenton) through Lock 18 (Hastings) closed June 20 until further notice. Locks 19 (Scotts Mills) and Locks 22 (Nassau) through Lock 27 (Young’s Point) have been closed to navigation since June 17.
Since late May, the historic Ontario waterway's watersheds have received significant amounts of precipitation — 100 to 200 per cent above the normal amount expected for this time. Residents and visitors are asked to exercise extreme caution around and on the water.
"This partial closure will protect boater safety, and help to prevent shoreline erosion and property damage experienced by local residents and businesses," Parks Canada said in a news release. "All boaters are strongly encouraged to lower their speeds and watch their wake."
![](https://www.nationalparkstraveler.org/sites/default/files/styles/panopoly_image_original/public/media/tswnhs-water_tables_credit_parks_canada.jpg?itok=ozq1QvZu)
Parks Canada has released this status report on lock lift openings.
Updates will be provided regularly and communicated widely.
Find the most current boater-specific information on Twitter at @TSWBoaterInfo and @VNTSInfoNav.
The Trent–Severn Waterway is 386-kilometres (240-miles) long and connects Lake Ontario at Trenton to Georgian Bay, Lake Huron and Port Severn.
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