7.3 mi from the trailheadCave Creek Campground
Campground · Oregon

19.6 mi out & back · 6,357 ft gain · 6,413 ft high point · Very hard
From O'Brien Creek Upper Trailhead via O'Brien Creek, the Boundary Trail, Lake Mountain, and the Lake Mountain Trail (9.0 mi)
In Oregon Caves National Monument & Preserve · Oregon · National Park Service
Limestone Trail is a 19.6-mile out and back from O'Brien Creek Upper Trailhead in Oregon Caves National Monument & Preserve, climbing 6,357 feet past Mount Elijah.
6,357 ft of gain round trip.
The closest places to sleep, measured from the trailhead.
Ranked the same way, within twenty-five miles.
What the trail reaches, measured from the start.
The hike from its start, the approach dashed. Drag with two fingers, or hold a key to zoom.
Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.
Campground · Oregon
17.3 mi loop · 5,563 ft gain · Very hard
Oregon Caves National Monument & Preserve · Camp 7 mi away
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Today: Mostly Sunny · wind 12 mph SW