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Mark Griewahn


Member Since
Sep 24, 2016
Last Visit: Jul 7, 2024
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Trail Favorites List View All 1

17.4 mi 27.9 km Four Lakes Loop
Intermediate/Difficult Intermediate/Difficult
Lewiston, CA
Intermediate/Difficult Intermediate/Difficult
Lewiston, CA 13 

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Check-Ins View All 2

Mount St. Helens Summer Climbing Route: Monitor Ridge
Difficult Difficult
Amboy, WA Jul 5, 2019
Mount St. Helens Summer Climbing Route: Monitor Ridge Amboy, WA
Difficult Difficult
Jul 5, 2019
Notes: Joe K & Jessica G
Four Mile Trail
Difficult Difficult
Yosemite Valley, CA May 25, 2019
Four Mile Trail Yosemite Valley, CA
Difficult Difficult
May 25, 2019
Notes: 4.8 mi — 7h 0m : Start early and take your time. Great views all the way up. Lots and lots of swtichbacks. 2.5 hr down.

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