Submitted By: Mark Eilitz
From Portland, take Interstate 5 to Woodland Exit 21 (north of Portland 25 miles) and turn right (503) for 28 miles, following signs for Cougar. Just before you reach the town of Cougar turn left on Road 8100 (there will be a sign for Merrill Lake). Take this paved road 11.5 miles and then continue straight on gravel Road 8123 (8100 turns to the right here) for 1.5 miles to the Blue Lake Trailhead. Parking permit is required.
This 11-mile loop has an elevation gain of 1900 feet and is open late June through October. Situated on the SW side of Mt St. Helens this hike takes you along Sheep Canyon, the South Fork Toutle Riverís mudflow canyon, and the edge of the 1980 eruptionís blast zone. The scenery is great on this hike, with many different landscape changes along the way including great views of the mountain at different angles as you travel the loop. I highly recommend this hike! A more detailed description of this hike can be found in William L. Sullivanís; ď100 Hikes in Northwest OregonĒ (second edition).
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Incredible hike! The fall colors are beautiful and at their peak right now.
There is quite some variety on this hike, which became longer a few years ago when the bridge at the Blue Lake Trailhead was washed out and not replaced. From Blue Lake, you will pass through a section of the world's largest old growth noble fir forest. In September, the alpine areas of St. Helens will still be blooming with lupine and gentian.