Harry’s Ridge Hike
Where: Mount St. Helens National Volcanic Monument
Distance: 7.8 miles
Type: Out and back
Elevation gain: 1500 feet
Difficulty: Moderate (for length)
Overview:
The trail to Harry’s Ridge is one of my favorite hikes on Mount St. Helens. My wife and I spent a long weekend exploring Mount St. Helens a few years ago, and I was eager to see what changes had taken place since my last visit. My wife had been up to the mountain only a couple of weeks before, kayaking Coldwater Lake with a friend of hers, but it had been many years since I had been there.
Everyone knows about the eruption of Mount St. Helens, so I won’t go into any detail here. Check out my Mount St. Helens post for more information on the eruption and see more photos of the mountain and the blast zone, if you’re interested.
Harry’s Ridge is named for Harry R. Truman, the 83-year-old curmudgeon and owner of Spirit Lake Lodge who refused to evacuate and died in the May 18, 1980 eruption. The hike begins at the Johnston Ridge Observatory, named for volcanologist David A. Johnston, who was camping near where the observatory is now located and was also killed in the eruption).
The observatory provides a panoramic view into the crater of the mountain and down to the valley below that was filled by the eruption landslide, pyroclastic flows, and lahars. It’s an otherworldly vista that you will not find anywhere else in the country.
Getting there:
The observatory is located at the end of the Spirit Lake Highway (WA 504). To get there from the Seattle area, travel south on I-5 and take WA 505 (Exit 63) through the town of Toledo to the junction with WA 504. From Portland, take Exit 49 off I-5 at Castle Rock. Johnston Ridge is approximately 50 miles east of I-5.
2023 update: As of July 6, the Johnston Ridge Observatory is inaccessible due to a landslide near the Coldwater Visitor Center on Hwy 504. Check the Observatory website linked above for more information.
Trailhead:
Park in the Johnston Ridge Observatory parking lot. There is an $8.00 per person per day charge payable in the Observatory. National Park Senior Passes and America the Beautiful Passes allow the holder entry without charge. A Northwest Forest Pass will allow one person entry without charge. But you need to check in at the Observatory before heading out on the trail, even if you have a pass. Trail maps, restrooms and drinking water are available in the Observatory.
The hike:
From the Observatory, follow the paved trail to an overlook on Johnston Ridge near the Observatory. There are good views here into the crater of the mountain and the blast zone. At the junction just beyond the overlook, turn right onto the Boundary Trail.
There are great views all along the trail. Wildflowers were still abundant when my wife and I did this hike in late August. On the north side of the ridge, you will see a new forest beginning to grow. The trail descends gradually for about a mile and a half through mostly open terrain to a trail junction. Stay left here on a new portion of the trail to avoid a traverse of a steep slope on the old trail. At the 1.8-mile mark you will come to another trail junction. Stay left on the Boundary Trail. The trail to the right takes you to the Devil’s Point viewpoint.
At about the two-mile point in the hike the trail descends the south side of the ridge to a junction with the Truman Trail at the 2.2-mile mark. At the junction, continue straight on the Boundary Trail. This section of trail has some shaded spots with small trees and shrubs. The trail then climbs steadily for about another mile and a half to the junction with the Harry’s Ridge Trail.
There are good views of Spirit Lake on the Boundary Trail just beyond the junction. Huckleberry bushes, lupine, and Indian paintbrush are abundant here. Back at the junction, take the Harry’s Ridge Trail up to the summit of the ridge. Along the trail to the summit there are more views of Spirit Lake, Windy Ridge to the east of the lake, and Mt. Adams in the distance.
At the summit of Harry’s Ridge there is a closer view into the crater than can be had from the Observatory, and the blast zone extends around you in all directions. You’ll want to linger here and take in the view. It’s a good spot for lunch, too, and a good turnaround point. The trail continues down the ridge to another lower viewpoint, if you want an even closer view into the crater. When you’re ready to leave, return to the Observatory the way you came.
Other area attractions and activities:
There are other worthwhile hikes that start at Johnston Ridge, as well. The Truman Trail, for example, will take you into the blast zone directly below the crater. Check at the Observatory or the Observatory website for more information. There is also a nice trail around Coldwater Lake, and the lake is a good place to canoe or kayak. And the day after we hiked to Harry’s Ridge my wife and I hiked Lava Canyon, on the southeast side of Mount St. Helens, another hike that is very much worth doing.
Originally posted September 25, 2018 by Alan K. Lee. Most recently updated July 6, 2023.
All photos ©Alan K. Lee, except as noted