In 1982, a plume of steam, gas, and ash at Mount St. Helens billowed 3,000 feet high.
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At 8:32 in the morning of Sunday, May 18, 1980, the top of Mount St. Helens "rocketed into the stratosphere."
Hyperbole is quite an achievement when it comes to describing the explosion. Actually, a lot of the mountain blew out laterally, smashing into surrounding hills and valleys. A huge landslide and rushing hot gasses flattened thousands of forest acres. Ash blanketed the scene. The familiar landmarks all were gone. What took their place looked, in the words of Jimmy Carter, "like the moon." Much of the land around Mount St. Helens still does.
On the other hand, the former forest and river valley instantly became "the youngest landscape on earth," and a golden opportunity to see what Nature would do with this vast and nearly lifeless expanse.
You might think an event like that would be considered something of a lemon for the area. But in a large-scale demonstration of lemonade-making, the county, state, U.S. Forest Service, and private industry got together and built a broad scenic route, the Spirit Lake Memorial Highway (SR 504), from I-5 right through the blast area. Along the way are five visitor centers designed to give people the best possible picture of what happened and what’s going on now. "What we have here," boasts one local highway booster, "is 50 miles of accessibility."
Beginning at the small town of Castle Rock, the Spirit Lake Memorial Highway climbs through forest into the blast zone. It has been opened in sections beginning in 1992, and the final eight miles, up to Johnston Ridge Observatory, opened this May, along with the observatory. For much of the way, there’s a steep dropoff on one side, with views of surrounding mountains, Mount St. Helens, Toutle River Valley, and ridge after ridge of smashed trees. The scenery is progressively more dramatic as the road ascends.
Every few miles, a large visitor center presents itself. Three are operated by the Forest Service, one by Weyerhaeuser, and one by Cowlitz County. There’s little duplication among them; each gives an opportunity for first-class views and each offers a different perspective on the event of May 18.
How big was it?
The mountain shook and bulged for weeks before suddenly losing 1,300 feet of its top in a landslide and explosion that, according to the Forest Service, sent a cloud 15 miles up, blew over 96,000 acres of trees, spread 540 million tons of ash over three states, and killed 57 people. It was the largest landslide in recorded history.
Where’s the lava?
One thing missing from the explosive May 18th eruption was the kind of flowing, glowing lava which helps make Hawaii’s eruptions so picturesque and which contributed to the Hollywood version of the toasting of LA. Later eruptions produced a thick and oozing lava.
An advantage to lethargic lava is that while you might have been smashed by an avalanche, drowned by a displaced lake, buried in ash, or blown away, you could have outrun the lava had it made any real headway. Another advantage is that oozing lava tends to create taller volcanoes with nice cones as it doesn’t spread so rapidly.
You can see the drastically altered lake’s south shore from Johnston Ridge. Before 1980 it was a clear mountain lake below snowcapped Mount St. Helens, a popular vacation spot surrounded by forest. When much of the volcano’s north face fell into it, water splashed hundreds of feet up the surrounding hills. Ash and tree trunks filled the lakebed, which is now some 200 feet higher than it was.
Scientists thought it would take many years before the lake would support a wide variety of life again. But, according to the Forest Service, within five years the lake had "virtually recaptured the complexity of pre-eruption life." The land had hardly recovered at all. The lake may be diverse beneath its waves, but didn’t look it the day we visited.
Harry Truman, probably most famous of the eruption’s 57 fatalities, ran a lodge on Spirit Lake. Claiming he was a part of the mountain, Truman refused to leave. He and the lodge still are at the lake’s old level.
About 30 miles south of Castle Rock via I-5, you’ll find the southern approach to Mount St. Helens, SR 503. The stretch we’re interested in begins at Woodland (exit 21) and runs east for 40-odd miles to Swift Creek Dam.
SR 503 is completely different from SR 504. It’s a smaller road going through rain forest and by several small towns. The people there claim, "If you want to see it, go to 504. If you want to do it, come to 503." Outdoor recreation is what you’d do. There are three lakes along the road and access for swimming, boating, and fishing. There’s an 18-hole golf course on Lake Merwin (with its own boat launch facility), several woodsy campgrounds, and lots of hiking. Steelhead and salmon fishing is said to be quite good in the Lewis River.
Among the hiking routes is one that takes you to the Mount St. Helens crater rim. It’s an all-day round-trip. Jack’s, a pleasant and homey restaurant (phone 360-231-4276), is the place to get a permit; you’ll see it on the right as you’re headed east just beyond Lake Merwin.
Helicopter rides are available in the town of Cougar, which is also the world’s source of Mount St. Helens Ashware (see sidebar). You might try the Cougar store, just down the street from the ceramics store, for local info. Why the name Cougar? We asked Bob at the Cougar store and were told, "Just ’cuz."
Ape Cave, a 12,810-foot tunnel formed from an ancient lava flow (they had faster lava in ancient times), is open for tours beginning in mid-May just north of Swift Reservoir. Merrill Lake, north of Yale Reservoir, is a fly-fishing-only lake.
The small town of Cougar on SR 503 was evacuated for six months because of the 1980 volcanic activity. Mount St. Helens supplied it with lots and lots of ash. The ash isn’t sitting around waiting to be swept up anymore, but you can find—and take away with you—some Mount St. Helens ashware. The ceramics are made in a tiny factory in Cougar and sold at 16834 Lewis River Road (SR 503) in Cougar.
Created from a mixture of liquid clay and ash, the finished products have a marbled look, with the tan ash swirling through the white pottery. The selection is broad, ranging from tea sets, bowls, pitchers, animal figurines, and candlesticks to such classics of the statuette world as "End of the Trail" and "The Stag at Bay." Prices range from $2.95 (small tortoise) to $109.95 (lamp). Most are roughly $6 to $12. Phone (360) 238-5371.
ALONG SR 504
Mount St. Helens Visitor Center (milepost 5)
This Forest Service facility gives an overview of Cascade Range vulcanism and the events before and after May 18, 1980. It’s open daily from 9 a.m. to 6 p.m. in the summer. Winter hours, which begin late in September, are 9 a.m. to 5 p.m. There is an $8 per person fee, good for admission to all three Forest Service centers and other Mount St. Helens National Volcanic Monument sites for three days.
Hoffstadt Bluffs Visitor Center (milepost 27)
This Cowlitz County facility gives the first broad panorama of Mount St. Helens, the Toutle Valley, and where the landslide ended. It offers a very nice restaurant, crafts gallery, espresso bar. The architecturally interesting, Alpine-style building features open-beam construction held together by wooden pegs.
Open 9 a.m. to 9 p.m. from May into September. Winter hours vary. Free admission. Helicopter tours are available for $69 per person from 11 a.m. to 8 p.m., mid-May to mid-September, weather permitting. Phone (360) 274-7750.
The Forest Learning Center
(6-plus miles farther)
A significant portion of the blast area was Weyerhaeuser land. This company-operated center tells of the blast’s effect on the St. Helens Tree Farm and the challenges of salvaging the blown-down timber and replanting. The viewing area gives an excellent overlook of the St. Helens Game Refuge in the valley below and is a good elk spotting area. There is a nice children’s play area. Open daily from 10 a.m. to 6 p.m. May through October. Free admission.
Coldwater Ridge Visitor Center
Well within the blast zone, Coldwater Ridge gives an excellent view of the crater, Coldwater Lake, and the Toutle River Valley. Exhibits focus on how plants and animals were affected and how they’re currently faring. Computer simulation forecasts how the blast zone will recover in the future. A "Video Wall" presentation shows how life actually survived the blast (being underground was a big help) and slowly is returning.
This is a good place to get out for a walk through the former forest. There’s a paved, quarter-mile loop to one side of the center, and a trail down along Coldwater Lake on the other. It’s five miles, one-way, but an easy one-mile walk gets you down to the lake, which is surrounded by blasted trees.
Coldwater Ridge is open daily from 9 a.m. to 6 p.m. in the summer. Winter hours, 9 a.m. to 5 p.m., begin late in September.
Johnston Ridge Observatory
(milepost 51—the end of the highway)
From 4,220-foot Johnston Ridge Observatory, mostdramatic of the centers, you look straight into the crater at the lava dome, some 5 miles away. You’re standing in the explosion’s direct line—and evidence of what the landslide and blast did is all around you.
The building itself, of glass and tinted concrete, is built into the ridge and looks as though it were already there when the volcano exploded. You can see part of Spirit Lake, Castle Lake, and a broad panorama of mountains in the background. Moonscape is in the foreground and all around you. You park in the midst of it. Johnston Ridge Observatory is open from 9 a.m. to 6 p.m. in the summer. At press time, whether it would be open in winter was undecided.
Photography courtesy of Lyn Topinka/CVO Photo Archive
This article was first published in July 1997. Some facts may have aged gracelessly. Please call ahead to verify information.
Use your AAA Oregon/Washington TourBook and map.
For complete information on the Spirit Lake Memorial Highway (SR 504) and on SR 503, contact the Department of Tourism, Cowlitz County, 207 Fourth Avenue N., Kelso, WA 98626. Phone (360) 577-3137.
Accommodations: We looked at four places to stay on SR 504 and one on SR 503.
State Route 504: In Castle Rock, we looked at the AAA three-diamond-rated Timberland Inn. It’s a modern and very pleasant motel. Rooms have refrigerators, and some have a Jacuzzi. Price range is $60 to $125; there are discounts for AAA members and seniors. Phone (360) 274-6002.
• Also in Castle Rock is the bargain-rate Seven West Motel. Though the ambiance is of white paint on cement block, the motel was clean and quiet and the TV had a remote. Price range is $35-$51. Phone (360) 274-7526.
• Blue Heron Inn is five miles down the road, diagonally opposite the Mt. St. Helens Visitor Center. Opened in the spring of 1996 by John and Jeanne Robards, this six-room bed and breakfast is a large, modern house in elegant-rustic style. It overlooks Silver Lake (good bass fishing) and has a view of Mount St. Helens. Rooms all have private bath and cable TV. Prices range from $95 to $125. Phone (800) 959-4049.
• The one-room log cabins and wall-tents in Eco Park, at milepost 24, bring you closer to nature in the raw. There are propane toilets, lights, and heaters; bottled water; showers; laundry facilities; and picnic tables. Campsites for tents and RVs also are available, as is one yurt. Eco Park has a pocket trout pond and frequent visits by elk and deer. Price range is $37-$48. Campsites are $12 per unit. Bring your own sleeping bag, cooking supplies, groceries, flashlight. Phone (360) 274-6542.
State Route 503: Just over two miles from I-5 along SR 503 you’ll find the Lewis River Bed and Breakfast. The year-old house is right on the river, with its own dock and river deck. Each of the five bedrooms has its own decor theme—and its own bathroom. Designed and operated by Denny and Suzi DeWeese and Mary Loumena, Lewis River B&B manages to be both homey and luxurious. Prices range from $80 to $130. 2339 Lewis River Road (SR 503), Woodland, WA 98674. Phone (800) 517-3200.