Satellite view of Stump Bay Boat Launch
HomeHomeMichiganSt. JosephThree Rivers Impoundment - Saint Joseph River

Stump Bay Boat Launch

Three Rivers Impoundment - Saint Joseph River · St. Joseph County, Michigan
Last verified: March 14, 2026
1 laneUnimproved ramp
20 spotsTrailer parking
4a–11pHours
Directions
Street View
Craft & Seasonality
Motorboat
Kayak / Canoe
Jet Ski / PWC
Large Boat
Winter Access
Site Details
Conditions change rapidly due to water levels, prop wash, and weather. Always visually inspect before backing down.
RampUnimproved, 1 lane
Trailer Parking20 spots · gravel
FeeMI Recreation Passport (annual, on vehicle registration)
Hours4 AM – 11 PM
RestroomsVault toilet (1)
Not Available Fish cleaning · Fishing pier · Pier
Scout's Notes
Ramp Quirks & Etiquette
Watch Your Motor
The ramp drops off deep right at the end, then the water goes surprisingly shallow fast once you're off the concrete. If you're running a long shaft outboard, get it up quick after launch or you'll be grinding bottom before you know it.
Parking Is Generous
Twenty trailer spots for a single-lane ramp on an impoundment — you're almost never fighting for a space. Even on a decent Saturday morning you'll find room without circling.
Quiet Local Spot
This isn't a high-traffic destination launch. It's mostly locals who know Three Rivers Impoundment. That keeps the weekend chaos way down compared to busier St. Joe River access points, but it also means don't expect a ton of amenities beyond the basics and a porta-john.
Decent Bass Water
The impoundment fishes well for largemouth, especially around the stump fields and shallow flats you can reach from here. There are some legit 5-pound fish in this system if you work the cover right.
Sources: DNR GIS data, Google Reviews, Google Street View
About This Lake