Arches National Park
More than two thousand documented arches rise among fins, balanced rocks, and Entrada sandstone above the Colorado River corridor.

Artwork inspired by Maynard Dixon
Arches is not a collection of isolated stone windows. Buried salt beds buckled overlying rock into parallel fins; water, ice, and gravity then enlarged weaknesses until openings formed and eventually collapsed. The Windows, Devils Garden, and Fiery Furnace reveal different stages of that process.
Crowding changes the park as much as distance does. Enter early or late, carry all needed water, and choose one district rather than repeatedly driving for photographs. Walk around a formation where permitted: Thickness, joints, and surrounding fins explain more than the postcard face alone.
- Arches
- More than 2,000 documented
- Rock
- Entrada sandstone
- Allow
- One full day
Quick guide
- Begin
- Use the visitor center geology displays beforeā¦
- Compare
- Set a young opening beside a thin
Quick guide
- Opening question
- Use the visitor center geology displays before the scenic drive.
- Begin
- Set a young opening beside a thin, weathered arch.
- System at work
- Never stand, climb, or scramble on named arches.
- Conditions check
- Let eyes adapt before judging this dark-sky landscape
Good to know
Timed-entry reservations have been used seasonally and can change by year; an entrance pass alone may not guarantee entry during controlled periods. There is no fuel, food, or water beyond the visitor-center area, and exposed trails become dangerous quickly in summer heat.
Notice these
- Windows district
- Balanced Rock
- Devils Garden fins