State unconfirmedBighorn 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

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In this field guide0 site records · Loop names not published
Source snapshotSep 21, 2026
Land managerNational Park Service
Official facilityRecreation.gov · 10091755

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A campground record.
Site details still to verify.

This campground appears in the official source collection, but this snapshot has no accepted individual site records. Equipment limits, hookups, and accessibility cannot be confirmed from a campground listing alone.

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Campground coordinates
45.317853, -107.940163Campground location, not individual site coordinates.
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Official source record ↗Attribution & snapshot register

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