Colorado /
Summit Reservoir
Reservoir in Colorado · 302 acres · near Cortez
Summit Reservoir has 1 boat ramp listed as public.
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2021, 2023 and 2025.
state reports compiled by U.S. EPA · checked October 18, 2026
Motors: No motors (for the whole water, per the boating rules map of Colorado Parks and Wildlife; check the posted rules before you go)
Boating rules
- Non-motorized boats only · all of Summit Reservoir rule
From the boating rules map of Colorado Parks and Wildlife, read October 18, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.
Launches
- Summit Reservoir SWA Boat Ramp · Boat ramp · near Cortez