Geological Sites in Yellowstone National Park

Sights Overview

Name	Category	Location

Back Basin The trail through Back Basin is a 1½-mi loop guiding you...	Geological Sites	Yellowstone National Park

Biscuit Basin North of Old Faithful, this basin is also the trailhead for the...	Geological Sites	Yellowstone National Park

Black Sand Basin There are a dozen hot springs and geysers near the cloverleaf...	Geological Sites	Yellowstone National Park

Lower Geyser Basin Shooting more than 150 feet in the air, the Great Fountain Geyser...	Geological Sites	Yellowstone National Park

Mammoth Hot Springs Terraces Multicolor travertine terraces formed by slowly escaping hot...	Geological Sites	Yellowstone National Park


Midway Geyser Basin Called "Hell's Half Acre" by writer Rudyard Kipling, Midway Geyser...	Geological Sites	Yellowstone National Park

Natural Bridge You can take an easy 1-mi hike or bicycle ride from Bridge Bay...	Geological Sites	Yellowstone National Park

Norris Geyser Basin From the Norris Ranger Station, choose Porcelain Basin, Back...	Geological Sites	Yellowstone National Park

Old Faithful Almost every visitor's itinerary includes the world's most famous...	Geological Sites	Yellowstone National Park

Petrified Tree If you enjoy seeing bears in zoo pens, you'll get the same level...	Geological Sites	Yellowstone National Park

Porcelain Basin In the eastern portion of the Norris Geyser Basin this thermal...	Geological Sites	Yellowstone National Park

Specimen Ridge The world's largest concentration of standing petrified trees...	Geological Sites	Yellowstone National Park

Sulphur Caldron You can smell the sulfur before you even leave your vehicle to...	Geological Sites	Yellowstone National Park

Upper Geyser Basin With Old Faithful as its central attraction, this mile-square...	Geological Sites	Yellowstone National Park

West Thumb Geyser Basin The primary Yellowstone caldera was created by one volcanic eruption...	Geological Sites	Yellowstone National Park
Sights Overview »