Mount St. Helens National Volcanic Monument Park

Address: Mount St. Helens National Volcanic Monument (Johnston Ridge Observatory), 42218 NE Yale Bridge Road, Amboy, WA 98601 (regionwide monument access via Gifford Pinchot NF)

Website: https://www.fs.usda.gov/mountsthelens

Hours: Monument open year‑round; Johnston Ridge Observatory typically seasonal (late May-September daily, check website for current hours)

Admission: Free (no monument entrance fee); some visitor facilities/parking may charge seasonal fees

Mount St. Helens National Volcanic Monument is a protected area around Mount St. Helens in southwestern Washington State, United States. It was created after the major 1980 eruption to preserve the volcanic landscape for research, education, and public recreation.

The monument offers close viewpoints of the volcano and its blast zone, with interpretive facilities and trails for different abilities. The Johnston Ridge Observatory on the north side provides exhibits and a primary viewing plaza for observing the crater and the surrounding devastation from the 1980 eruption. Short interpretive routes such as the Hummocks Trail allow visitors to walk through the debris field left by the eruption and study regrowth and landscape features.

The area is used for scientific research into volcanic processes, ecosystem recovery, and geomorphology. Management emphasizes both public access and safety; parts of the monument remain restricted or seasonally closed because of unstable terrain, winter snow, and ongoing geological hazards.

The monument sits within the Gifford Pinchot National Forest in southwestern Washington State. It encompasses the volcano and adjacent lands north and south of the summit and is accessed by roadways that approach from the north and west sides of the mountain.

• 1980 eruption: The May 18, 1980 eruption dramatically altered the volcano and surrounding landscape and is the defining event the monument preserves and interprets.
• Access season: Road access to the main visitor facilities and many trails is seasonal; snow often keeps higher roads and viewpoints closed through winter and early spring.

What to See#

• Johnston Ridge Observatory: Located on the north side of the volcano, provides interpretive exhibits, a viewing plaza with direct sightlines to the crater on clear days, and trailheads for nearby hikes.
• Hummocks Trail: A short interpretive route through the hummocky debris left by the 1980 landslide, illustrating the immediate geomorphic effects of the eruption.

By car: From Interstate 5 take US‑12 east (via Napavine and Mossyrock) then follow signs to Gifford Pinchot National Forest and Mount St. Helens National Volcanic Monument. To reach Johnston Ridge Observatory follow Forest Service roads from Silver Lake/Coldwater Lake (allow extra time; roads are narrow and often seasonal). From Portland, OR, the drive is roughly 2.5-3 hours; from Seattle about 3-3.5 hours. Public transit to the monument is extremely limited; visitors usually drive. Check the Forest Service website for current road conditions and seasonal closures.

• Visit Johnston Ridge Observatory on a clear morning for the best, unobstructed views into the crater - afternoons are often hazier.
• Bring layers - the Gifford Pinchot slopes are windy and temperatures can change rapidly, even in summer.
• Drive carefully on the Forest Service roads: many are narrow, have steep sections, and close seasonally to vehicle traffic.
• If interested in geology, stop at the Forest Learning Center at Silver Lake and the Coldwater Lake area for different perspectives and shorter walks.