Five Denver lakes are open or boating from April 1 - November 1. Length of the boating season is subject to adequate water quality and lake depths:
All other lakes within the city are closed to boating activities. Boating permits are required and can be purchased at the Boat Ranger's Office (human-powered vessel permits can be purchased online).
|Motor Boat (insurance required)||$ 125|
|Rowboat, canoe, kayak, paddleboard||$ 25|
|Harbor (season)||$ 118|
A Denver City Boating Permit is required to launch any vessel. The permit sticker must be affixed to the starboard side in a visible place. Permits are nontransferable, and permit holders are accountable for the actions of boat drivers and passengers.
The permit season is subject to adequate water quality and lake depths. Boating permits can only be purchased at the Boat Ranger's Office during office hours or by appointment. Permits for human-powered vessels can be purchased online.
To purchase a boating permit, the following is required:
Refunds will not be issued once a permit is purchased. Payment can be made by credit card (no American Express), cash or check made out to "Manager of Finance".
Denver Parks & Recreation may revoke a permit without a refund for violation of any city rules and regulations, state boating statutes or city ordinances.
Boating Permits may be purchased online for human-powered vessels only. View purchasing instructions (PDF).
Boating permits for motorized vessels and harbor mooring sites will be available for purchase at the Sloan's Lake Boating Office beginning March 30 at 8:00AM.
Boat Ranger's Office
Sloan Lake | W. 25th Avenue & N. Byron Street
Urban Park Ranger
Call 311 (720.913.1311)
Online Permit Sales:
Begins March 23 for human-powered-vessels
Motorized/Sailboat/Mooring Permit Sales:
Begins in-person at the Boat Ranger Office on March 30 at 8:00AM
Each person must have a personal flotation device (PFD). Each watercraft must have a sound-producing device such as a whistle or airhorn, per CO state law.
9:00am to 20 min before sunset
sunrise to sunset
Non-motorized includes: hand-launched fishing, human-powered sail and electric-powered boats