Oregon /
Dorena Lake
Reservoir in Oregon · 1,702 acres · near Cottage Grove
Dorena Lake has 2 boat ramps listed as public.
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2018.
state reports compiled by U.S. EPA · checked October 18, 2026
Boating rules
- SNW within 200 feet of Harms Park boat ramp · 1 zone on Dorena Lake rule
- SNW within 200 feet of Baker Bay boat ramp · 1 zone on Dorena Lake rule
- SNW southeast of a line between markers on Humphrey Point and the northeast shore · 1 zone on Dorena Lake rule
From the boating rules map of 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
- Baker Bay Ramp · Boat ramp · near Cottage Grove
- Harms Park · Boat ramp · near Cottage Grove · free Closed
Community
Where people who fish, boat and paddle Dorena Lake talk about it. Lake associations, clubs and local groups will be added as we find them.
Wikidata: Q5297719