Campground · Fee not listed




- 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
From the managing agency.
We do not have a fee on record for Grapevine Campground. Confirm the cost locally before you go.
Grapevine Campground has 12 sites on record. 12 sites are reservable and 0 are first come.
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.
For the most recent weather forecast please look up Fort Smith, MT.
1. Overnight stays/camping in park is only allowed in established sites 2. Check-out is 12:00 pm 3. Quiet hours from 10:00 pm to 6:00 am; idling of motor vehicles is prohibited during quiet hours 4. Generators permitted from 8 am to 8 pm 5. Campsite occupancy may not exceed 14 cumulative days within a 28-day period 6. Collection of firewood is prohibited within the park 7. No attaching or tying items to trees 8. Pets must be leashed at all times and may not be left unattended
SourceSource data is agency published. Last synced September 19, 2026. Community reports and photos are submitted by travelers and are not verified by the agency.