Custer Gallatin National Forest wilderness guide
National Forest · MT, SD

Custer Gallatin National Forest

Custer Gallatin National Forest spans over two million acres across southern Montana and northern South Dakota, offering diverse landscapes for hikers, campers, and nature enthusiasts.

National Forest3,039,4044+ Trails

Designation

National Forest

Total Wilderness Area

3,039,404

Elevation / Terrain

Diverse Wilderness

Field Editorial Guide

About Custer Gallatin National Forest

Custer Gallatin National Forest spans over two million acres across southern Montana and northern South Dakota, offering diverse landscapes for hikers, campers, and nature enthusiasts.

Wilderness Landscape & Natural Heritage

Custer Gallatin National Forest is a remarkable expanse of public land that covers a wide array of terrains ranging from rocky peaks to rolling plains. Located in two northern states, the forest is a blend of lush valleys and rugged mountain wilderness, each offering unique ecological and recreational opportunities. The forest is steeped in history, being home to several ancient tribes and playing a significant role in the westward expansion of early America. It offers visitors a chance to hike through its extensive trail systems, camp in its serene campgrounds, and encounter diverse wildlife such as elk, deer, and the occasional grizzly bear. Popular activities here include hiking, camping, and mountain biking, with major highlights such as the Beartooth Plateau, considered one of the most scenic areas in Montana. With its size and diversity, Custer Gallatin National Forest is an appealing destination for outdoor enthusiasts seeking both adventure and tranquility.

Field Guide · National Forest
Adventure Destinations

Notable Destinations Near Custer Gallatin National Forest

Scenic viewpoints, outdoor landmarks, and notable points of interest within 60 miles.

Key Wilderness Highlights

✦ Beartooth Plateau✦ Absaroka-Beartooth Wilderness✦ Bridger Mountain Range✦ Yellowstone River Valley
Wilderness Recreation

Outdoor Adventures in Custer Gallatin National Forest

Explore curated guides for top outdoor sports, trail networks, and wilderness activities.

The Ranger Station

Visitor Logistics & Essential Planning

Everything you need to know about entrance passes, seasons, visitor centers, road transit, and wildlife safety in Custer Gallatin National Forest.

Passes & Fees

Entrance Requirements & Interagency Passes

No entrance fee, but some campgrounds and facilities may require fees.

Wilderness Checklist

Carry paper topographic map & compass in remote zones.
Store all food and scented items in approved bear canisters.
Check wildfire / smoke advisories before backcountry departure.
Pack out everything you pack in (Leave No Trace).
Wilderness Stays

Camping & Overnight Stays in Custer Gallatin National Forest

Frontcountry developed campgrounds, backcountry wilderness permit guidelines, and starry-night camping advice.

Langohr Campground

Located in Gallatin Canyon, offering convenient access to trails and scenic views.

Reserve on Recreation.gov

Red Cliff Campground

Situated by the Gallatin River, perfect for fishing and a rustic camping experience.

Reserve on Recreation.gov
Adventure Basecamps

Gateway Towns Near Custer Gallatin National Forest

Stay, dine, and gear up in these mountain towns and scenic basecamps surrounding the park.

Chico Hot Springs, Montana
⌖ 8.39 miles
Gateway Basecamp

Chico Hot Springs, Montana

Chico Hot Springs offers a perfect blend of natural hot springs relaxation and easy access to Montana’s outdoor adventures like hiking, fishing, and skiing near Yellowstone. Ideal for travelers seeking mountain serenity and wildlife views.

Late Spring through Early Fall for hiking and fishing; Winter for skiing
Explore Town
Pray, Montana
⌖ 10.19 miles
Gateway Basecamp

Pray, Montana

Pray, Montana offers a serene adventure hub on the Yellowstone River, perfect for fly fishing, hiking, rafting, and horseback riding amid the stunning Absaroka Mountains.

Late Spring to Early Fall
Explore Town
Emigrant, Montana
⌖ 10.46 miles
Gateway Basecamp

Emigrant, Montana

Emigrant, MT offers a peaceful basecamp for fly fishing, hiking, and backpacking near the Yellowstone River and Absaroka Mountains. Ideal from late spring to early fall, it’s perfect for travelers seeking natural beauty and fewer crowds.

Late Spring through Early Fall
Explore Town
Mammoth, Wyoming
⌖ 16.72 miles
Gateway Basecamp

Mammoth, Wyoming

Mammoth, WY is your doorstep to Yellowstone's wild beauty. Visitors can enjoy hiking, fishing, and witnessing geothermal wonders. It's a perfect spot for adventure seekers looking to explore the great outdoors.

Summer and Fall
Explore Town
Big Sky, Montana
⌖ 29.64 miles
Gateway Basecamp

Big Sky, Montana

Big Sky, MT presents an exhilarating mix of ski runs, hiking trails, and wild rivers. Embrace the abundant nature, from skiing at Big Sky Resort to rafting the Gallatin River and exploring Yellowstone.

Winter and Summer
Explore Town
Big Sky, Montana
⌖ 29.64 miles
Gateway Basecamp

Big Sky, Montana

Big Sky, Montana, is a paradise for thrill-seekers with its expansive terrain perfect for skiing, hiking, and biking. The blend of wilderness and adventure makes it ideal for outdoor enthusiasts.

Winter and Summer
Explore Town
Expert-Led Wilderness Expeditions

Guided Experiences in Custer Gallatin National Forest

Explore scenic backcountry routes and epic wilderness adventures with certified local mountain guides, naturalists, and outfitters.

Hands-On Montana: Skillful, Short-Form Adventures at Sage Lodge
ADVEXPEDITION
Pray, Montana
HikingADV Bookable

Hands-On Montana: Skillful, Short-Form Adventures at Sage Lodge

A suite of guided, one-hour (and select two-hour) activities—everything from axe throwing to guided nature walks—run by the Sage Lodge Activity Team; this guide explains what to expect and how to book.

HikingPT2HCertified Outfitter
Bookable OnlineBook Trip