Snow Canyon State Park
White and red Navajo sandstone, dark lava flows, tubes, dunes, and desert life compress a remarkable geologic cross-section into one canyon.
Artwork inspired by Jimmie Jones
Snow Canyon’s compact road corridor crosses radically different surfaces: Petrified dunes preserve sweeping sandstone layers, recent-looking basalt marks eruptions, and shaded canyon walls support pockets of vegetation. Short trails make those transitions easier to compare than in many larger parks.
Begin with an overlook or geology stop, then choose one sandstone walk and one lava-related trail. Summer heat can make even short routes unsafe by midday. Lava tubes require lights, head protection, and willingness to turn back; they are not developed caves.
- Materials
- Sandstone and basalt
- Setting
- Mojave Desert edge
- Allow
- Half day
Quick guide
- Anchor
- Petrified Dunes
- Second focus
- Lava tubes ↔ White-and-red cliffs
Quick guide
- Compare
- Pair petrified dunes with a basalt flow.
- Look closely
- Find cross-bedding preserved in solid sandstone.
- Carry light
- Never enter a lava tube with only a phone.
- Time it
- Walk early; reflected heat builds rapidly.
Good to know
Snow Canyon sits close to St. George but still demands desert preparation. Parking is limited at popular short trails, cycling traffic shares the road, and summer ground temperatures can burn paws. Check seasonal climbing and wildlife closures.
Notice these
- Petrified Dunes
- Lava tubes
- White-and-red cliffs