Black Sand Basin
4.8FreeOpen now · open 24 hoursDiscover colorful thermal pools and active geysers along easy boardwalks.

Black Sand Basin is a captivating geothermal area located just south of Old Faithful in Yellowstone National Park. Named for its dark obsidian sand formed from volcanic glass, the basin features vibrant thermal attractions like Emerald Pool, Rainbow Pool, and Sunset Lake. Accessible wooden boardwalks allow visitors to safely explore active thermal features, including the frequently erupting Cliff Geyser.
History
Black Sand Basin was named for its dark sands which are rich in volcanic materials. It has been a popular spot for visitors to witness the geothermal wonders of Yellowstone since the park's establishment in 1872.
Expert notes
- Stay on designated paths to protect the fragile ecosystem.
- Do not touch or enter the hot springs as they can be dangerously hot.
- Keep a safe distance from thermal features and wildlife.
- Carry water and snacks, as amenities are limited.
- Be aware of potential changes in weather when visiting.
- Plan for a minimum of an hour to fully enjoy the area.
- Bring a camera to capture the stunning landscapes.
- Respect park regulations and guidelines to ensure safety.
- Check for any road closures or alerts before visiting.
- Enjoy the tranquility by visiting during off-peak hours.
- Wear sturdy footwear for walking on trails and boardwalks.
- Observe wildlife from a distance and do not feed them.
- Take your trash with you to keep the area clean.
- Learn about the geothermal features from park information centers.
- Share your experience responsibly on social media.
Features
- Boardwalk Trails
- Geysers
- Hot Springs
- Information Center
- Interpretive Signage
- Parking Areas
- Picnic Areas
- Restroom Facilities
- Scenic Overlooks
- Wildlife Viewing
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