NPS · Bighorn Canyon National Recreation Area · Fort Smith, MT

Afterbay Campground

- Near Fort Smith, Montana - Open All Year - 22 RV and tent sites are located on the south shore of Afterbay lake - All sites have fire rings and picnic tables - Composting vault toilets - All sites are back in (not pull through) - All sites have electric and water - RV dump station available across the road near the Headquarters building

More like this: first-come in Montana

Afterbay Campground upper spotsAfterbay CampgroundAfterbay Campground looking toward Grapevine Campground.
Photos courtesy of NPS, Jen Prentiss, NPS Photo · Recreation.gov

Site map

Campground map of Afterbay Campground
Campground map published by National Park Service on Recreation.gov, credited to Afterbay Campground Service. Open the image for full size.

Weather by month

NOAA climate normals →
Weather by month near Afterbay Campground20°30°40°50°60°70°80°January: 0.72 inches of precipitation, 8.8 inches of snowFebruary: 0.83 inches of precipitation, 7.4 inches of snowMarch: 1.21 inches of precipitation, 8.4 inches of snowApril: 1.95 inches of precipitation, 3.0 inches of snowMay: 2.62 inches of precipitation, 0.2 inches of snowJune: 2.27 inches of precipitation, 0.0 inches of snowJuly: 1.15 inches of precipitation, 0.0 inches of snowAugust: 0.78 inches of precipitation, 0.0 inches of snowSeptember: 1.67 inches of precipitation, 0.0 inches of snowOctober: 1.98 inches of precipitation, 3.0 inches of snowNovember: 0.77 inches of precipitation, 5.8 inches of snowDecember: 0.72 inches of precipitation, 7.3 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 29.0°F averageFebruary: 30.5°F averageMarch: 39.1°F averageApril: 46.8°F averageMay: 55.9°F averageJune: 65.6°F averageJuly: 74.0°F averageAugust: 72.3°F averageSeptember: 62.3°F averageOctober: 49.3°F averageNovember: 37.8°F averageDecember: 30.3°F average0 in2 in4 in6 in8 in10 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Yellowtail Dam, less than a mile from the campground at 3,305 feet, station USC00249240 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 17 inches a year. The dotted line is average snowfall, about 44 inches a year on the same inches scale.

Getting there

Take 313 through the town of Fort Smith, MT and follow the brown and white sign to Afterbay Campground. It will be on the right side of 313 just past the NPS Headquarters building.

Nearest townFort Smith, Montana
Coordinates45.3154° N, 107.9415° W · Directions ↗

Supplies & services

Dump stationDump station ↗29.1 mi
RV sales & serviceGFK Trailer Sales ↗41.3 mi
Outdoor gearCabela's ↗41.5 mi

Locations © OpenStreetMap contributors. Call ahead; hours change seasonally.

Explore

Video

Afterbay Campground Fort Smith, Montana. RV Life.

On the National Register nearby

On Register Atlas →

Guidebooks for Montana

We earn a small commission if you buy through these links. It does not change what we list.

  • Best Tent Camping: Montana
    Vicky Soderberg and Ken Soderberg, 2017
    Find at Bookshop.org
  • Moon Montana, Wyoming and Idaho Camping
    Becky Lomax, 2015
    Find at Bookshop.org
  • Camping Montana
    Kenneth L. Graham, 2019
    Find at Bookshop.org

Titles come from Open Library's catalog, matched by subject heading or by title.

Reference

Questions people ask

Do I need a reservation at Afterbay Campground?

No. Afterbay Campground is first-come, first-served. Sites are taken on arrival and paid at the fee station.

Source: Afterbay Campground Official Website

What is the nearest town to Afterbay Campground?

Fort Smith, Montana.

Source: Getting there

What if Afterbay Campground is full?

The nearest public campgrounds are Grapevine Campground (0.2 mi, first-come), Black Canyon Campground (4.6 mi, first-come), and Dayboard 9 Campground (4.6 mi, first-come).

Source: Campgrounds nearby

Which national park is Afterbay Campground in?

Afterbay Campground is a Bighorn Canyon National Recreation Area campground. Entrance fees, alerts, and hours are on Park Atlas.

Source: Bighorn Canyon National Recreation Area