Horsethief Lake
Lake in Washington · 94 acres · near Dallesport
Horsethief Lake has 1 boat ramp listed as public.
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2019, 2020 and 2026.
state reports compiled by U.S. EPA · checked October 18, 2026
Launches
- Columbia Hills State Park Boat Launch · Boat ramp · near Dallesport