Walker Valley / Upper Mainline

5/5 (2 reviews)
Mount Vernon, Washington (Skagit County)
Last Updated: 09/11/2020

Every trail guide in full detail for $0.50/week*

Get the Walker Valley / Upper Mainline trail guide with:
  • 17 waypoints
  • 53 photos
  • 7 trail concerns
  • 2 community trail reviews with the latest trail conditions
  • 1 video
  • And much more!
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Highlight: Walker Valley / Upper Mainline
Upper Mainline is not just another trail in Walker Valley ORV; it’s an adventure. Of course, you can expect to get your fill of rocks, but there’s much more, including roots, mud, and challenging climbs. About halfway through, you’ll find a downed tree, which will leave you asking if you can continue through the trail. Upper Mainline has a little of everything, so whether you’re a novice wheeler or you’re looking for a challenge, this trail will make a great addition to your day in the park. Walker Valley ORV consists of 3,200 acres, with twelve 4X4 trails, and several more ATV and dirt bike trails. The trails offer many challenges like rocks, roots, and ruts. These obstacles will change from season to season, with the addition of snow and rain, which can also produce large puddles and muddy stretches. From the mild to wild, Walker Valley ORV provides something for everyone.
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