Can you reserve a site at Grapevine Campground?

No. Grapevine Campground is not reservable through Recreation.gov, so sites are first-come, first-served or booked elsewhere.

Grapevine Campground

Campground ·

Managed by the National Park Service

3,200 ft
Elevation

Grapevine Campground — Photo: NPS, Jen Prentiss · Recreation.gov

- 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

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.

45.31785, -107.94016 · 45°19'4.3"N 107°56'24.6"W

Directions (Google Maps) · Directions (Apple Maps)

Typical weather

Typically 89°F in Jul, down to 39°F in Jan.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
High °F	39	40	50	58	68	78	89	87	76	61	48	39
Low °F	20	21	28	36	44	53	59	57	49	38	28	21
Precip in	0.7	0.8	1.2	1.9	2.6	2.3	1.1	0.8	1.7	2.0	0.8	0.7

1991–2020 averages from the nearest NOAA station, 0.4 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.

Map

More photos

Grapevine Campground looking toward Afterbay Campground — Photo: NPS, Jen Prentiss · Recreation.gov

Grapevine Campground Map — Photo: Afterbay Campground Services · Recreation.gov

Member photos

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Common questions about Grapevine Campground

Can you reserve a site at Grapevine Campground?: No. Grapevine Campground is not reservable through Recreation.gov, so sites are first-come, first-served or booked elsewhere.

Camping near Grapevine Campground

Sage Creek Cabin 31 mi · Campground · we watch it
Afterbay Campground 0.2 mi · Campground
Dayboard 9 Campground 4.7 mi · Campground
Black Canyon Campground 4.8 mi · Campground
Medicine Creek Campground 19.3 mi · Campground
Barry's Landing & Trail Creek Campground 20.3 mi · Campground
Big Ice Cave Picnic Area and Interpretive Site 24.9 mi · Facility
Horseshoe Bend Campground 29.2 mi · Campground
Little Bighorn Battlefield Visitor Center 30.2 mi · Visitor Center
Sage Creek Campground 30.7 mi · Campground
Cottonwood Creek Campground 31.6 mi · Campground
Cottonwood Creek Trailhead 31.7 mi · Facility

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Recreation.gov last updated this record on 2026-06-14.

Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.