BoatRampMap.com
Acquiring satellite view…

Poison Creek

Authoritative
Owyhee County, Idaho, 83639→|Lake Cascade→|Marsing→

Location

GPS Coordinates

About This Ramp

Ramps
1
Docks
1
Parking
20 spaces
Amenities
Camping (20 sites)
ID DPR1 data sourceUpdated Mar 2026

Nearby Ramps

Marsing Island Park
Snake River
0.0 mi
Boat Ramp in Marsing
Owyhee, Idaho
0.1 mi
Buttercup
Lake Cascade
3.5 mi
Four Miles South Boat Ramp
Owyhee, Idaho
3.6 mi
Marsing
Snake River
3.6 mi
More nearby ramps

Poison Creek is a public boat ramp on Lake Cascade in Marsing, Owyhee County, Idaho (83639). GPS coordinates: 43.5484°N, 116.8026°W.