About
Length (round trip)5.4 mi
ShapeOut-and-Back
DifficultyStrenuous
Elevation gain1,488 ft up
Typical time1 hr 30 min
TrailheadThe Grotto shuttle stop
SurfacePaved switchbacks then a chained rock spine
Best seasonMarch to May and September to November. Summer canyon temperatures exceed 100F; the Narrows depends on river flow year round.
DogsNot allowed
PermitRequired
AccessibilityTrail is unpaved, rocky, and less than 3 ft (1 m) wide in many sections. Chains act as handrails for multiple sections, with long drop-offs. Hiking traffic moves in both directions in limited space.
What you'll see ⛰️ Summit🌄 Big views

The paved West Rim Trail climbs Walter's Wiggles, twenty-one tight switchbacks, to Scout Lookout at two miles. Beyond that the final half mile follows a narrow rock spine with sheer drops on both sides and a chain bolted to the rock for handholds.

Tips
A permit is required for the chained section beyond Scout Lookout and is issued by seasonal and day-before lotteries on recreation.gov - there is no way in without one. Scout Lookout itself needs no permit and gets most of the view. Do not go if rain, ice or high wind is forecast.
🎒 What to pack

A 5.4 mi walk — here's the short list worth having in the pack.

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Trail data: USGS National Map / PAD-US, the National Park Service, state agencies, and © OpenStreetMap contributors (ODbL). Access and conditions change — check with the managing agency before you go.