Oregon /
Cottage Grove Lake
Reservoir in Oregon · 1,136 acres · near Cottage Grove
Cottage Grove Lake has 2 boat ramps listed as public.
Lake level: Cottage Grove Lake
Today's level loads here; without it, see the agency's page below.
Full pool is 790.0 ft (USACE, Top of Conservation).
Level from U.S. Army Corps of Engineers, Corps Water Management System (Cottage Grove Dam), about hourly; the agency's page. Levels change; check conditions at the ramp before you launch.
Boating rules
- Motors allowed · all of Cottage Grove Lake rule
- SNW within 200 feet of Lakeside Park boat ramp · 1 zone on Cottage Grove Lake rule
- SNW within 200 feet of Wilson Creek boat ramp · 1 zone on Cottage Grove Lake rule
- SNW south of a line between a marker on the east shore, near the Wilson Creek area, and on the west shore near Cedar Creek · 1 zone on Cottage Grove Lake rule
From the boating rules maps of Oregon State Marine Board (rules joined to our waters and launches; not endorsed by OSMB); Oregon State Marine Board (rules zones joined to our waters and launches; not endorsed by OSMB), read October 18, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.
Launches
- Lakeside Park · Boat ramp · near Cottage Grove
- Wilson Creek Park · Boat ramp · near Cottage Grove · free Closed
Community
Where people who fish, boat and paddle Cottage Grove Lake talk about it. Lake associations, clubs and local groups will be added as we find them.