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Greater Yellowstone Ecosystem wilderness guide
Ecosystem · ID, MT, WY

Greater Yellowstone Ecosystem

The Greater Yellowstone Ecosystem is one of the largest nearly intact temperate-zone ecosystems on Earth, offering an unparalleled blend of geological wonders and diverse wildlife.

Ecosystem22 million+4+ Trails

Designation

Ecosystem

Total Wilderness Area

22 million+

Elevation / Terrain

Diverse Wilderness

Field Editorial Guide

About Greater Yellowstone Ecosystem

The Greater Yellowstone Ecosystem is one of the largest nearly intact temperate-zone ecosystems on Earth, offering an unparalleled blend of geological wonders and diverse wildlife.

Wilderness Landscape & Natural Heritage

The Greater Yellowstone Ecosystem (GYE) spans over 22 million acres and includes Yellowstone National Park, parts of Grand Teton National Park, several National Forests, and numerous wilderness areas across Idaho, Montana, and Wyoming. This expansive area encapsulates a rich tapestry of landscapes, from rugged mountains to sweeping river valleys, supporting hundreds of species of wildlife, including grizzly bears, wolves, and herds of elk and bison. The ecosystem is renowned for its geothermal features, with over 10,000 such sites in Yellowstone alone, offering a glimpse into the Earth's fiery seams. The human history of the area is just as vibrant, embodying stories of indigenous peoples, pioneering explorers, and conservation triumphs. Recreational opportunities are plentiful, with endless trails for hiking and biking, pristine rivers for fishing and kayaking, and open parks for camping and wildlife spotting.

Field Guide · Ecosystem
Adventure Destinations

Notable Destinations Near Greater Yellowstone Ecosystem

Scenic viewpoints, outdoor landmarks, and notable points of interest within 30 miles.

Hiking Yellowstone Lake Overlook Trail★ 9.3⌖ 1 miHiking
Yellowstone Lake Overlook Trail

Hiking Yellowstone Lake Overlook Trail

Enjoy stunning views on the Yellowstone Lake Overlook Trail. Located in Yellowstone National Park, it's ideal for hiking, wildlife watching, and photography. Spot bison and elk as you hike through pine forests to the overlook. Best visited late spring to early fall.

Geysers & Hot Springs at West Thumb★ 8.8⌖ 1 miHiking
West Thumb Geyser Basin Trail

Geysers & Hot Springs at West Thumb

Explore the West Thumb Geyser Basin Trail in Yellowstone National Park. This easy boardwalk trail offers views of hot springs and wildlife. Ideal for families and photographers, it's best visited in spring and fall to avoid crowds.

Kayaking on Yellowstone Lake in Yellowstone National Park★ 8.8⌖ 3 miKayaking
1095 Grant Marina Rd

Kayaking on Yellowstone Lake in Yellowstone National Park

Explore the vast and serene Yellowstone Lake in Yellowstone National Park. Suitable for all levels, kayaking here offers encounters with wildlife and views of geothermal features. Launch points are accessible, but permits are required. Summer visits provide the best experience.

West Thumb Geyser Basin, Yellowstone National Park★ 9.7⌖ 7 miGeyser Viewing
Yellowstone Caldera

West Thumb Geyser Basin, Yellowstone National Park

Explore West Thumb Geyser Basin in Yellowstone, known for vibrant geothermal features. Enjoy lakeside views and witness unique geyser activity. Accessible by car, and best visited in summer months for optimal experience.

Geyser ViewingView Details→

Key Wilderness Highlights

✦ Old Faithful Geyser✦ Grand Prismatic Spring✦ Lamar Valley for Wildlife Viewing✦ Beartooth Highway
Wilderness Recreation

Outdoor Adventures in Greater Yellowstone Ecosystem

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 Greater Yellowstone Ecosystem.

Passes & Fees

Entrance Requirements & Interagency Passes

Entrance fee required or national park pass accepted

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 Greater Yellowstone Ecosystem

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

Madison Campground

Located near the banks of the Madison River, offering easy access to popular park sites.

Slough Creek Campground

Offers a more secluded experience in the Lamar Valley, ideal for wildlife enthusiasts.

Adventure Basecamps

Gateway Towns Near Greater Yellowstone Ecosystem

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

Yellowstone National Park
⌖ 13.63 miles
Gateway Basecamp

Yellowstone National Park, Wyoming

The unparalleled adventure haven that combines geothermal wonders, vibrant ecosystems, and diverse wildlife experiences.

Summer and FallExplore Town
Yellowstone National Park
⌖ 13.63 miles
Gateway Basecamp

Yellowstone National Park, Montana

An iconic wilderness offering diverse ecosystems, geothermal wonders, and exceptional wildlife experiences.

Spring through FallExplore Town
Canyon Village
⌖ 21.78 miles
Gateway Basecamp

Canyon Village, Wyoming

A gateway to extraordinary natural wonders and outdoor adventures in the heart of Yellowstone National Park.

Summer and FallExplore Town
West Yellowstone
⌖ 29.91 miles
Gateway Basecamp

West Yellowstone, Montana

Gateway town offering immediate access to outdoor adventures, centered around Yellowstone National Park and its wilderness.

Summer and WinterExplore Town
Island Park
⌖ 37.18 miles
Gateway Basecamp

Island Park, Idaho

A tranquil outdoor haven offering unique landscapes for thrill-seekers and nature lovers in the Rocky Mountains.

Summer and WinterExplore Town
Mammoth
⌖ 38.28 miles
Gateway Basecamp

Mammoth, Wyoming

A gateway to Yellowstone's enchanting wilderness with great access to natural wonders and thrilling outdoor adventures.

Summer and FallExplore Town
Expert-Led Wilderness Expeditions

Guided Experiences in Greater Yellowstone Ecosystem

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

12 bookable experiences

Availability, pricing, meeting details, and fulfillment are provided by the applicable operator or booking partner.