Details
National Park ServiceLast Updated: December 10, 2025
Table Of Contents
Campground Overview
Introduction
- Near Fort Smith, Montana - Open All Year! - $18 per night fee (50% off with Senior Pass) - 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
Campsite Details
Operating Hours
This campground is open year round. Summer season offers trash collection, a camp host, and frequent campfire programs. Summer season is from Memorial Day through Labor Day.
Weather
For the most recent weather forecast please look up Fort Smith, MT.
Amenities
Trash & Recycling Collection
Toilets
Amphitheater
Dump Station
Staff or Host On-Site
Potable Water
Food Storage Lockers
Directions
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.
Rates & Fees
Grapevine Campground
ALL Sites: $18 per night. NPS Senior Pass, Golden age, Golden Access Passport, Golden Eagle Pass, or Access Pass: $9.00 per night. Cash and check only at this time. Please make checks payable to: Crow Tribe of Indians.
Rules & Regulations
Fire/Stove Policy
Check locally, dependent on conditions.Regulations Overview
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 unattendedAccessibility
Wheelchair Access
This is a gravel campground. All sites are accessible. Men's and women's toilets are accessible.
Cell Phone Information
Cell phone reception is dependent on the carrier.
RV Allowed
Yes
RV Information
This is a gravel campground. All sites are accessible. Men's and women's toilets are accessible.
RV Maximum Length
0
Additional Information
Season is generally from Memorial Day to Labor Day. Please check at the Headquarters building for more information or call 307-568-5406.
Trailer Maximum Length
0
ADA Information
This is a gravel campground. All sites are accessible. Men's and women's toilets are accessible.
Trailer Allowed
Yes
Access Roads
Unpaved Roads - All vehicles OK in good weather
Classifications
Limited Development Campground
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