Red Arch Mountain

Overview

Red Arch Mountain is a named sandstone summit on Zion’s east side, rising above the area around the Zion–Mt. Carmel Tunnel. It’s a dramatic piece of the park’s skyline—best appreciated from established viewpoints rather than by trying to stand on top of it.

How to See It

The most approachable, legal way to admire Red Arch Mountain is from the Canyon Overlook Trail, a short, popular walk that ends at a sweeping viewpoint across the upper canyon. From there, the mountain fills the scene as a prominent red wall. There isn’t a dedicated Red Arch Mountain trailhead or parking area; you’ll use the small Canyon Overlook lots just east of the tunnel.

Summit Reality Check

There is no official, maintained trail to the summit. Any attempt involves off‑trail route‑finding and exposed terrain above the Great Arch area—serious business reserved for experienced parties who understand Zion’s closures and conditions. For most visitors, the on‑trail viewpoint delivers the experience without the risk.

Practical Notes

Parking for Canyon Overlook is very limited in two small lots near the tunnel, and roadside parking is restricted. The park shuttle does not serve the east side, so you must drive SR‑9. Expect pit/primitive toilets near the small lot east of the tunnel, and no potable water.

Geology & Color

Like much of Zion, Red Arch Mountain is carved from Navajo Sandstone. Iron‑oxide staining in these ancient dune deposits gives the rock its rich red hue, which glows especially well in soft light.

Wildlife

This corner of the park supports the usual desert mix—keep an eye out from the road or viewpoint for mule deer, birds of prey, and, on occasion, desert bighorn sheep moving across the slickrock.

Best Time to Visit

Sunrise is your best bet: softer light for photography and a fighting chance at a parking space. Late afternoon can be beautiful too, but spaces are often full. Aim for weekdays and arrive early; the east side’s lack of shuttle service concentrates demand right at the small lots.