Boulder River
4.8FreeA scenic wild trout stream located north of Yellowstone National Park

Flowing through Montana's Absaroka-Beartooth Wilderness north of Yellowstone National Park, the Boulder River is renowned for its swift mountain waters, dramatic canyons, and premier fly-fishing opportunities. As a major tributary of the Yellowstone River, it features scenic highlights such as Natural Bridge Falls, where the water carved a deep limestone gorge. Visitors can enjoy hiking, camping, and angling for wild trout surrounded by rugged alpine scenery.
Expert notes
- Always check for wildlife in the area before approaching the river.
- Stay on marked trails to protect the natural environment.
- Carry out all trash to keep the area pristine.
- Be aware of changing weather conditions when hiking near the river.
- Fishing requires a valid fishing license in Yellowstone.
- Follow park regulations regarding fire and camping.
- Bring plenty of water and snacks for your adventure.
- Respect the natural habitat and do not disturb wildlife.
- Use sunscreen and wear appropriate clothing for sun protection.
- Consider visiting early in the morning to avoid crowds.
Features
- Accessible parking
- Calm waters
- Clear skies for stargazing
- Fishing opportunities
- Hiking trails
- Nature photography spots
- Picnic areas
- Scenic views
- Surrounding forests
- Wildlife viewing
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