National Park Service · Bighorn Canyon National Recreation Area

Grapevine Campground

- Near Fort Smith, Montana - Open All Year! - 14 RV and tent sites are located on the north shore of Afterbay lake - RV sites are back in (not pull through) - All sites are handicapped accessible, have fire rings, and picnic tables - Vault toilets are accessible - There are no RV hookups - Trash cans available seasonally (May-Oct) - RV dump station and drinking water available across Afterbay lake near the Headquarters building and Afterbay Campground

First-come, first-servedAccessibility info

Limited data

The federal database holds very little for this campground, so this page is short. For current conditions and details, the official links in the sidebar are the better source.

Getting there

Take 313 through the town of Fort Smith, MT. Follow the brown and white direction signs. Turn right on Rte 12 and drive across the afterbay dam. Continue on Rte 12 for approximately 1.6 miles. Turn left into Grapevine Campground.

Campgrounds nearby

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Bighorn Canyon National Recreation Area

Afterbay Campground

0.2 miles away

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Bighorn Canyon National Recreation Area

Dayboard 9 Campground

4.7 miles away

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Bighorn Canyon National Recreation Area

Black Canyon Campground

4.8 miles away

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Bighorn Canyon National Recreation Area

Medicine Creek Campground

19.3 miles away

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Bighorn Canyon National Recreation Area

Barry'S Landing & Trail Creek Campground

20.3 miles away

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Bighorn Canyon National Recreation Area

Horseshoe Bend Campground

29.2 miles away

Data source: Recreation.gov RIDB, retrieved August 30, 2026. The Campsite Atlas is an independent publication and is not affiliated with or endorsed by the Recreation.gov or any federal agency. Always confirm critical details on the official Recreation.gov page before you travel.