Gateway Arch Rim Walk

Overview

Gateway Arch Rim Walk is a 3.7 mi hiking route inside Gateway Arch National Park in Missouri. The trail climbs roughly 240 ft from trailhead to high point and is logged as a out & back in the Trail Compass directory. At a steady walking pace it works out to about 2 hours on trail, though most parties add time for photos, snack breaks, and the inevitable view-stopping moments along the way.

Difficulty rating

Trail Compass classifies Gateway Arch Rim Walk as easy. The combination of 3.7 mi of distance and only 240 ft of elevation gain means the route stays well within reach for new hikers, families with school-age kids, and visitors looking for a low-commitment way to step into the Great Plains, Black Hills, and badlands. Footing is generally good, route-finding is straightforward, and the trail is wide enough that two parties can pass without anyone stepping into vegetation.

Best season to hike

Best season for Gateway Arch Rim Walk in the Great Plains, Black Hills, and badlands is generally May through October; summer thunderstorms build fast and lightning is the primary objective hazard on exposed grassland. Local conditions can shift quickly — cold snaps, wildfire smoke, blowdown, river crossings, or trailhead-road closures all happen — so confirm the current status with the managing agency for Gateway Arch National Park before you commit to a long drive.

Wildlife to expect

Wildlife on this route reflects the surrounding Great Plains, Black Hills, and badlands: hikers regularly report sightings of pronghorn, bison herds inside protected reserves, prairie dogs, golden eagles, and rattlesnakes in the warmer months. Give every animal a wide berth — a hundred yards minimum for bears and any predator, the length of a soccer field for hooved animals during rut. Keep food sealed, never feed wildlife, and store anything scented inside a vehicle when you park at the trailhead.

Parking & trailhead access

Trailhead access for Gateway Arch Rim Walk is usually straightforward, with marked parking near the route start. On peak summer and holiday weekends the lot can still fill, so consider an early-morning visit or a weekday trip if you want a quieter experience. Confirm any day-use fees and pass requirements with the Missouri agency that manages Gateway Arch National Park.

What to bring

For a hike of 3.7 mi with roughly 240 ft of elevation gain, plan on about 2 hours on trail at a steady pace. Carry at least a liter of water for every two miles, more in summer or above treeline. Pack real food if your turnaround is past midday, sun protection, a light insulating layer, and a map (paper or downloaded). Footwear should match the surface — trail runners are fine on smoother sections, while rocky or rooty ground favors a stiffer hiking shoe or light boot.

Nearby attractions

Nearby in Gateway Arch National Park you can extend the day with shorter walks near the visitor center, picnic stops at established overlooks, and connector trails that link into the broader Missouri park network. The Trail Compass park page for Gateway Arch National Park lists every other indexed trail in the same boundary, which is the fastest way to find a complementary hike — pair this route with something shorter and gentler if you have a mixed-fitness group.

Local tips

A few tips that hold up across the Great Plains, Black Hills, and badlands: If parking looks impossible, do not invent a spot on the road shoulder; rangers in Missouri routinely tow, and the next-closest legal lot is usually just a mile or two away. Leave No Trace applies on every Trail Compass-listed route — stay on the established tread, pack out everything including food scraps, and give wildlife the room they need to ignore you.

About this listing

Trail Compass aggregates publicly available park and trail information so that you can compare options before heading out. Distances, elevation profiles, and difficulty ratings come from official park sources where available, supplemented by community contributions and OpenStreetMap data. Always confirm seasonal closures, permit requirements, and current safety alerts directly with Gateway Arch National Park before your trip.