Beamer Trail

The Beamer Trail is a rugged, unmaintained river-corridor route in the eastern Grand Canyon that runs from Tanner Rapids to the Little Colorado River confluence. To even reach its start, you must first descend the strenuous Tanner Trail from Lipan Point on the South Rim—no small undertaking. From Tanner, the Beamer heads upstream along the east side of the Colorado, alternating between river-level beaches and airy shelves cut into Tapeats Sandstone roughly 300 feet above the water. Expect constant, big-river views and long, quiet miles.

Plan for roughly 8–10 miles one way (about 19 miles round-trip) on the Beamer section alone; this does not include the approach via the Tanner Trail. Many backpackers set a base camp at Tanner Beach and day-hike the Beamer to the confluence and back to keep packs light on the ledges. Route-finding begins immediately: from Tanner Beach the trail climbs away from the canyon bottom—easy to miss if you simply wander upstream at river level.

Scenery is the payoff. Early miles showcase the tilted layers of the Grand Canyon Supergroup, then settle into narrow benches with continuous vistas of the Colorado and distant landmarks like Temple and Chuar Buttes. The in-and-out crossings of side drainages slow your pace, especially farther north. Exposure, loose rock, and faint tread are part of the experience. Near the end, the path drops closer to river level as you approach the confluence—a culturally significant place where the turquoise Little Colorado (outside of flood conditions) meets the main river and Marble Canyon officially yields to the Grand Canyon’s sheer walls.

Water logistics are serious. The Colorado River is the only reliable source along the Beamer, and it’s often silty. Bring a system for settling/clarifying before you purify, and budget time for it. Shoreline access is generally possible between Tanner and Palisades Creek and again near the confluence. There is no water on the Tanner descent from Lipan Point—start with everything you need.

Camping is allowed along most of the route except near the confluence, where a no-camping zone protects this sensitive area. The last legal camp is on a boot-beaten path to a beach just before that zone. If you camp at Tanner, protect your food—mice are active at night.

Best time to hike: Spring and fall are ideal for temperatures and water clarity. Summer heat can be extreme and dangerous; winter brings cold and potential ice on the Tanner approach. Start early for shade on ledges and plan conservative turnarounds—this trail is slow-going.

Permits are required for any overnight trip below the rim. Bring a detailed topo map, move deliberately on exposed sections, and respect the cultural significance of the confluence. If you’re not comfortable with exposure, silt management, and backcountry route-finding, this is not your trail. For experienced canyon hikers seeking solitude and sustained river scenery, the Beamer is a standout.