Note: 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.
At a Glance
No car access until Larch Mountain Road opens in the spring.
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.
From Cascade Locks, OR: Travel west on Interstate 84 approximately 21 miles and take exit 22, Corbett Exit/NE Corbett Hill Road. Follow NE Corbett Hill Road until it intersects with East Historic Columbia River Highway. Turn left onto the Historic Highway and travel 5 miles until the road forks. Take a right onto Larch Mountain road and follow the road 14 miles to the picnic area and trailhead.