Wyoming /

Lake De Smet

Reservoir in Wyoming · 3,459 acres · near Buffalo

Lake De Smet has 3 boat ramps listed as public.

Past algal blooms

Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2021 and 2026.

state reports compiled by U.S. EPA · checked October 18, 2026

Launches

Community

Where people who fish, boat and paddle Lake De Smet talk about it. Lake associations, clubs and local groups will be added as we find them.

Wikidata: Q1267281