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Lock 20 Ashburnham

• Mile Marker: 89.5
• Lat / Lon: N 44° 17.973' / W 078° 18.259'
• Number of Chambers: One
• Size: 120 x 32 feet
• Tie Off: Cables
• VHF Channel: None
• Phone: 705-750-4952
• Schedule:

  2026 Navigation Season

  Station opening and closing times, as well as first and last lockage, are not guaranteed and may be affected by water management duties, maintenance activities or other types of navigation interruptions.

  Lockstation hours 2026

  May 15 to June 18
  Monday to Thursday 10:00 a.m. to 3:30 p.m.
  Friday to Sunday and Victoria Day (May 18) 9:00 a.m. to 6:30 p.m.

  June 19 to September 7
  Monday to Thursday 9:00 a.m. to 5:30 p.m.
  Friday to Sunday and Canada Day (July 1), Civic Holiday (Aug 3), Labour Day (Sep 7) 9:00 a.m. to 6:30 p.m.

  September 8 to October 12
  Monday to Friday 10:00 a.m. to 3:30 p.m.
  Saturday and Sunday and Thanksgiving (Oct 12) 9:00 a.m. to 4:30 p.m.

  Last Lockage

  Follow these guidelines to maximize chances of being locked through at the end of the day:

  • All vessels must arrive at the designated blue zone at last lockage time
  • At swing bridges, the last bridge swing will be 10 minutes after last lockage time.

  Lockstations are not staffed after-hours. Access to lockstations is prohibited between 10:00 pm and 6:00 am. For emergencies after-hours, please call 911 for police, fire, ambulance.

  Lock 20 is located at the northeastern corner of Little Lake in Peterborough. Located away from busy roads, this lock station makes for a quiet stop within the city limits. Boaters can walk or bike on the Trans Canada Trail, which cuts through the site. A beautiful location for overnight mooring.

• Amenities:

  • Overnight mooring (2 nights max, pass required), camping, paddle dock, washrooms, potable water, picnic area.
    

3 Boater Comments

These are observations from the boating community. Waterway Guide information is verified regularly and all efforts will be made to validate any new updates submitted here. Thank you for taking the time to share comments about your experience.

Waterway Guide reserves the option of editing reviews and comments for grammar, clarity and the removal of defamatory or potentially slanderous language. When appropriate, reviews are forwarded to businesses for response prior to being made public. We will make every effort to be objective and impartial when posting reviews, but do not publicize details of disputes between parties.

Current Review Policies

Waterway Guide reserves the option of editing reviews and comments for grammar, clarity and the removal of defamatory or potentially slanderous language. When appropriate, reviews are forwarded to businesses for response prior to being made public. We will make every effort to be objective and impartial when posting reviews, but do not publicize details of disputes between parties.

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• Comment by: G. Jay Nelson, Pegasus, on Aug 20, 2024
  Vessel Type: Power
  LOA: 44'
  Draft: 3.5'

  We stayed on the outer end of the lower dock wall at Lock 20, which provided a nice panoramic view of Little Lake and Peterborough. It is a 10-minute walk from Lock 20 to the Canadian Canoe Museum. Downtown Peterborough is a 20-minute walk. The lock wall is very pet friendly

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• Comment by: Brian Chapin, Tug Life, on Jul 25, 2022
  Vessel Type: Power
  LOA: 25'
  Draft: 2.5'

  Unlike the other locks on Trent-Severn, do not expect any advance directions from lock staff. If you are on the blue line, you will go into the lock. Therefore, determine with the other boaters who will go first and which side to tie to. No rafting in lock, but tie to both sides allowed.

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• Comment by: Roger S. on Jul 15, 2022
  Vessel Type: Power
  LOA: 42'
  Draft: 3.6'

  There is room to tie up on both sides of the lower lock walls with grassy areas, shade trees, and picnic tables. The Trans-Canada Trail crosses the lock. Walking distance to bakery, groceries and restaurants in Ashburn. A bit further will take you to downtown Peterborough.

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