Lake guide
Ramps
Guernsey Reservoir Main Boat RampWyoming State Parks / USBR · southeast end, east side just north of the dam · principal launch · access as water levels allow (annual silt-run drawdown)
MapInfoCharts
Depth charti-Boating Interactive Chart
OpenContact & rules
Boating & yacht clubs
No organized sailing or boating clubs verified for Guernsey Reservoir yet.
About Guernsey Reservoir
Guernsey Reservoir is a 2,400-acre reservoir in Wyoming, completed in 1927, managed by Wyoming State Parks / USBR. Live pool elevation comes from USBR's RISE catalog. Public launches include Guernsey Reservoir Main Boat Ramp, Sandy Beach Boat Ramp, and Long Canyon Boat Launch.