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Mount St. Helens National Monument

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Gems in Mount St. Helens National Monument - 1

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gem Favorite Fun with colors in the Ape Cave.

Ape Caves

(35) Amboy, WA

Recommended Routes in Mount St. Helens National Monument - 6

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Favorite Rainier (left) and Adams (right) from the top of the St. Helens Caldera.
Difficult

Mount St. Helens Winter Route: Worm Flows

10.5 mi 17.0 km 5,600' Up 1706.76 m Up 5,599' Down 1706.67 m Down

Amboy, WA
Favorite Taking off the headlamp at the end of the upper tunnel.
Intermediate/Difficult

Ape Cave

2.5 mi 4.1 km 369' Up 112.39 m Up 377' Down 114.88 m Down

Amboy, WA
Favorite Rainier (left) and Adams (right) from the top of the St. Helens Caldera.
Very Difficult

Mount St. Helens Summer Climbing Route: Monitor Ridge

8.8 mi 14.1 km 4,489' Up 1368.15 m Up 4,488' Down 1368.04 m Down

Amboy, WA
Favorite hiking the 'blast area'
Difficult

Loowit Loop

29.4 mi 47.4 km 5,697' Up 1736.3 m Up 5,696' Down 1736.19 m Down

Amboy, WA
Favorite Mount Saint Helens from the Coldwater Peak ridge
Intermediate/Difficult

Coldwater Peak

12.4 mi 19.9 km 2,658' Up 810.28 m Up 2,681' Down 817.02 m Down

Morton, WA
Favorite Lava Canyon
Intermediate

Lava Canyon Loop

1.2 mi 1.9 km 257' Up 78.27 m Up 257' Down 78.34 m Down

Amboy, WA

Mount St. Helens National Monument Hiking

  • 318 Miles 511 Kilometers of Trail
  • 6 Recommended Routes
  • 1 Gem Gems
  • 17 Easy Trails Easy Trails
  • 24 Intermediate Trails Intermediate Trails
  • 27 Difficult Trails Difficult Trails
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Trails in Mount St. Helens National Monument - 62

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4.6 mi 7.4 km #1Ape Canyon Trail
Intermediate/Difficult
Amboy, WA
Intermediate/Difficult
Amboy, WA
0.7 mi 1.1 km #2Coldwater Peak
Easy/Intermediate
Morton, WA
Easy/Intermediate
Morton, WA
10.2 mi 16.4 km #3Smith Creek Trail #225
Difficult
Morton, WA
Difficult
Morton, WA
3.6 mi 5.8 km #4Castle Lake
Intermediate/Difficult
Morton, WA
Intermediate/Difficult
Morton, WA
1.9 mi 3.1 km #5Loowit #216: Sheep Canyon - Butte Camp
Difficult
Morton, WA
Difficult
Morton, WA
2.2 mi 3.5 km #6Abraham Trail #216D
Difficult
Morton, WA
Difficult
Morton, WA
1.8 mi 2.9 km #7Castle Ridge
Difficult
Morton, WA
Difficult
Morton, WA
1.1 mi 1.8 km #8Harmony
Intermediate/Difficult
Morton, WA
Intermediate/Difficult
Morton, WA
0.2 mi 0.4 km #9Trail of Two Forests
Easy
Amboy, WA
Easy
Amboy, WA
3.5 mi 5.7 km #10South Coldwater Trail #230A
Intermediate
Morton, WA
Intermediate
Morton, WA

Photos of Mount St. Helens National Monument - 79

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Mount Saint Helens from the Coldwater Peak ridge
Oct 16, 2019 near Morton, WA
Rainier (left) and Adams (right) from the top of the St. Helens Caldera.
Dec 13, 2017 near Morton, WA
Summit of Mt St Helens, Washington
Jul 30, 2017 near Morton, WA
Hiking towards the summit will test your lungs and your mettle.
Jun 20, 2017 near Morton, WA
Crater of Mt. St. Helen's with Rainier in the distance
Jan 10, 2021 near Morton, WA
A flotilla of logs on Spirit Lake, Harry's Ridge, and Mount Saint Helens
Oct 16, 2019 near Morton, WA
It looks like a glacial moraine, but it's actually a mud/lava flow from the 1980 eruption.
Jul 22, 2019 near Amboy, WA
Taking off the headlamp at the end of the upper tunnel.
Dec 18, 2015 near Amboy, WA