Larch Mountain Road is maintained by Multnomah County and is closed annually at milepost 10 from Nov. through late May or early June. Use caution when driving; the road is narrow in places with limited visibility and is very popular with road cyclists.
For a popular Columbia Gorge hike so close to Portland, the pristine feel and panoramic views from hiking Larch Mountain make it an Eden just off the beaten path. That you get this legendary hike in an area not known for camping is of course to your advantage - 99% to 100% of the crowd goes home…
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Larch Mountain is located in Oregon
From Portland, OR:Travel east on Interstate 84 just past Troutdale then take exit 18, Lewis and Clark State Park. At the end of the off-ramp, turn left (south) onto the Historic Columbia River Highway and follow the highway through Corbett. Two miles east of Corbett, the road forks. Take a right onto Larch Mountain Road and follow the road 14 miles to the picnic area and trailhead.