Montana /
Ennis Lake
Reservoir in Montana · 4,135 acres · near Ennis, Watkins
Ennis 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): 2020 and 2022 to 2026.
state reports compiled by U.S. EPA · checked October 18, 2026
Launches
- Trail Creek Day Use · Boat ramp · near Watkins
Community
Where people who fish, boat and paddle Ennis Lake talk about it. Lake associations, clubs and local groups will be added as we find them.
Wikidata: Q49302257