Skip to main content

Afterbay NPS boat ramp

Afterbay NPS boat ramp provides public access to the Bighorn River below Yellowtail Dam, featuring a launching facility, 29-site campground (accommodating RVs and tents year-round), drinking water, vault restrooms, RV dump station, and picnic areas with tables and fire rings.

Motorized boats are prohibited on the upper 13 miles of river; non-motorized craft like drift boats, canoes, and kayaks are common for floating and fishing access.


More ways to access Bighorn River

Explore the wonders of Bighorn River! Find excellent fishing spots, easy access to boat ramps, and all the amenities you need for a memorable day by the water. Your adventure starts here.

Water and weather conditions (10 day forecast)

Check the forecast at Afterbay NPS boat ramp before you go fishing.

No forecast data available.

Montana licenses and regulations

Explore Montana waters

Top fishing waters

No waters available right now.

Popular Cities

Loading popular cities...

Smarter Fishing Starts in the App.

onWater Fish gives you everything you need to plan smarter, fish better, and own every trip from first cast to last.