Colorado /
Lake Isabel
Reservoir in Colorado · 34 acres · near Beulah
Lake Isabel has 1 boat ramp listed as public.
Eurasian watermilfoil
Colorado Parks and Wildlife lists Eurasian watermilfoil (found 2020) in this water. Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
Colorado Parks and Wildlife · checked October 18, 2026
Motors: No motors (for the whole water, per the boating rules map of Colorado Parks and Wildlife; check the posted rules before you go)
Boating rules
- Non-motorized boats only · all of Lake Isabel rule
From the boating rules map of Colorado Parks and Wildlife, read October 18, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.
Launches
- Lake Isabel Boating Site · Boat ramp · near Beulah Closed