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Mesa Falls near Ashton, Idaho
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  • States:
    Idaho

Discover the gateway to two of the USA’s most iconic national parks amidst the stunning landscapes and rugged beauty of Eastern Idaho.

Eastern Idaho’s Yellowstone Teton Territory is an ideal destination for outdoor excursions, located between two national parks – Yellowstone and Grand Teton – and connected to each by scenic byways. Outdoorsy visitors will find seemingly unlimited options for year-round recreation in a pristine natural environment that includes some of the most popular snowmobiling territory and iconic fly-fishing spots in the world.

Driving the Territory’s Highways and Byways

Journeying along scenic highways and byways is an immersive way for travelers to experience Idaho’s Yellowstone Teton Territory. The Teton Scenic Byway runs from Swan Valley to Ashton — a 111-kilometer drive featuring breathtaking views of the Grand Teton Mountain Range. Along the way, stop to take in charming small towns, grab lunch at hidden gems like Forage Bistro and Lounge in Driggs and shop one-of-a-kind jewelry pieces and other artisan wares at Tribe in Tetonia. Similarly, the Mesa Falls Scenic Byway presents a picturesque journey through Idaho's stunning wilderness leading drivers to the breathtaking sights of Upper and Lower Mesa Falls. For another exciting drive, try the Yellowstone Teton Loop — a 520-kilometer route that runs through both Yellowstone and Grand Teton National Parks, encouraging longer stops to overnight at cozy lodges and campsites along the way.

The spectacular cascades of Mesa Falls near Ashton

The spectacular cascades of Mesa Falls near Ashton
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Go Off-Roading in Any Season

No matter what time of year you visit, you’ll find adrenaline-fueled escapes on off-road excursions in Yellowstone Teton Territory, where unique geography provides ample opportunities for exploration. In the winter, snowmobiling offers unforgettable experiences in the heart of a winter wonderland, whether you’re cruising through dense forests or carving fresh tracks in untouched fields of snow. The state’s most popular snowmobiling destination, Island Park, boasts more than 950 miles of groomed trails where the expansive terrain gratifies snowmobilers of every skill level, from beginners seeking laid-back rides to thrill-seekers craving challenging terrain and deep powder. In Teton Valley, riders are treated to stunning vistas of snow-capped mountains and views of Teton Ridge. When the snow melts, rent an off-road vehicle to drive an extensive network of trails designated for motorized recreation in the backcountry. These routes are a great way to explore friendly local towns, from Swan Valley and Island Park to Rexburg and St. Anthony.

Snowmobiling through a wintry landscape near Island Park

Snowmobiling through a wintry landscape near Island Park
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Fishing & Wildlife Observation

World-renowned fly-fishing locations abound in Yellowstone Teton Territory, particularly along Snake River. Spend a day at Henry’s Fork, which is revered by anglers worldwide – it’s been named among the top dry streams in the USA by Trout Unlimited. Henry’s Lake, another gem in this angler's paradise, offers year-round fishing opportunities with consistently high catch rates thanks to its nutrient-rich waters. When you’re ready to cast your line, purchase a required fishing permit online from the Idaho Fish and Game Department to ensure a seamless start to your fly-fishing experience.

Wildlife watching is also spectacular here. Embark on a safari-style ride through Yellowstone Bear World to see American black and grizzly bears alongside native cervids like elk, deer and moose. For a different style of encounter, visit the Butterfly Haven in Pingree to observe graceful butterflies up close. Nature's wonders unfold year-round, with March and April skies teeming with thousands of migrating birds while July and August unveil wildflowers at peak bloom. Throughout the year, immerse yourself in annual community events such as Ashton Dog Derby Days featuring sled-dog races that capture the essence of adventure in the territory.

Striking fall foliage lines the South Fork of the Snake River

Striking fall foliage lines the South Fork of the Snake River
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Authentic Accommodations

Discover a diverse set of accommodations offering a tranquil haven for tourists to unwind and reconnect with the wilderness. In Island Park, Sawtelle Mountain Resort offers something for everyone, with sites for RV and tent camping, cozy cabins (for those seeking a touch of luxury) and convenient access to the west entrance of Yellowstone National Park. Anglers looking for another option in Island Park will also appreciate the welcoming atmosphere and accommodations at the Drift Lodge & Fly Shop, an ideal base camp for fly-fishing day trips along the Snake River.

In Ashton, stay in log cabins built in the 1920s that exude authentic charm and modern amenities: Ashton Log Cabins is a cozy retreat conveniently located at the gateway to the national parks region. Teton Valley Resort in Victor provides a variety of accommodation options to suit every taste, from traditional luxury lodgings to glamping, RV sites and a wide array of cabins. Surrounded by the majestic peaks of the Tetons, guests are assured a memorable stay in the heart of the wilderness.

Incredible mountain views from a campsite in Tetonia

Incredible mountain views from a campsite in Tetonia
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Getting There

Fly into Idaho Falls Regional Airport (IDA), rent a car and drive around an hour to Idaho’s Yellowstone Teton Territory.