Arch Rock

Walk-through rock arch on the Alum Cave Trail
Arch Rock, Great Smoky Mountains National Park
InsideGreat Smoky Mountains National Park

Overview

Arch Rock is a narrow natural arch you actually hike through—one of the most memorable landmarks on the Alum Cave Trail. It sits about 1.4 miles from the trailhead, making it a perfect goal for a short, rewarding hike. Stone steps added in 2015–2016 guide you up through the arch, which feels like a tunnel carved by time and water.

Getting There & Route

Start at the Alum Cave Trailhead on Newfound Gap Road. The first stretch follows creeks over log bridges and a soft, forested path before reaching the arch. It’s roughly 2.8 miles round trip to visit Arch Rock and return. Parking is limited and fills fast; arriving early or using a shuttle is wise during busy seasons.

What You’ll See

You’ll pass along a lively creek and through lush forest before the trail threads right through the arch via a staircase. The feature was shaped by water and freeze–thaw along fractures in the metamorphic rock. Beyond Arch Rock, the trail climbs toward Inspiration Point and Alum Cave Bluffs, where big views begin; above the arch, you’ll encounter heath balds with mountain laurel and rhododendron that burst into bloom in late spring and early summer.

Wildlife

Black bears live in this area—sightings are occasional, so give them space and never feed wildlife. Expect songbirds and salamanders along the cool, damp creek sections.

Trail Conditions & Safety

The approach to Arch Rock is gentle, but stairs and narrow sections can slow things down. Rocks get slick after rain, and winter can bring ice and snow—traction helps. It’s a popular hike, so brief waits at the arch are normal. Dogs aren’t allowed on this trail.

Best Time to Visit

Early mornings and weekdays are your best bet for parking and lighter crowds—peak seasons see the lot full by mid‑morning. Late spring offers rhododendron and laurel blooms; winter conditions can be beautiful but icy. If you’ve got extra energy, continue past Arch Rock to Inspiration Point or Alum Cave Bluffs for bigger payoffs.

Pros

  • Walk-through natural arch with built stone steps
  • Quick, scenic outing (~2.8 miles round trip) on the Alum Cave Trail

Cons

  • Parking often fills early at the trailhead
  • Rocks and stairs can be slick; expect brief bottlenecks

Tips

  • Arrive at dawn or early morning to secure parking.
  • Bring traction in winter—rocks and steps can ice over.
  • Turn around at Arch Rock for a family-friendly sampler, or continue to Alum Cave Bluffs for bigger views.
  • Carry water and snacks; there are no facilities at Arch Rock.
  • No dogs allowed on this trail.
The Parkwolf tour guide sitting on a phone mounted in a car

Parkwolf Tour Guide

Like a tour guide in your car.

Save the places you found around Great Smoky Mountains, then let Parkwolf guide the drive between them.Download Parkwolf on the App Store