more stats
2,536 ft
Distance
22 ft
Climb
-22 ft
Descent
00:02:08
Avg time
369 ft
Altitude min
393 ft
Altitude max
369 ft
Altitude start
371 ft
Altitude end
-5.6%
Grade max
6.9%
Grade min
545 ft
Distance climb
689 ft
Distance down
1,247 ft
Distance flat
00:02:08
Avg time

115th Bypass Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Horse
    • Hike
    • Trail Running
  • Riding Area
    Island Center Forest
    Vashon Island, Washington
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    50 in Mountain Biking [+]
    • 70 in E-Biking
    • 65 in Trail Running
    • 5 in Hiking
    • 5 in Horseback
  • Global Ranking
    #108605 in Mountain Biking [+]
    • #62347 in E-Biking
    • #97558 in Trail Running
    • #323122 in Hiking
    • #15403 in Horseback
  • Trail Type
    Singletrack
  • Direction
    Both Directions
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes
  • Land Owner
    King County Parks

A trail with three distinct sections. From North to South, a climb (green) on a broad dirt trail from 115th to where it meets the 188th trail. Then a quick steep downhill to the Valley of the Firs trail. The last section is across Grinder—a short fun up and down to Cemetery Run.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 1 rides
  • 6 miles avg distance
All
  • 15 rides
  • Last: Aug 30, 2026
update trails status or condition

115th Bypass Trail Reports

statusdatedescription
Oct 1, 2022 @ 1:13pm
Oct 1, 2022
Jun 11, 2022 @ 11:00am
Jun 11, 2022
more »
Status:
on Oct 1, 2022
Dry
Avg: 3.84 (1 votes)
Your vote: 0

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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (Ridden Direction)
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  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Used
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  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
Contribute Details
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  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
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BC Backroad Status

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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to 115th-bypass trailhead (47.440000, -122.481640)
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        Trail Products

        3.0 ★★★★★
        1 Ratings
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        3 ★ 100%
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        Nearby Trails

        Island Center Forest

        • By ldubois98070TF Pro VMBA & contributors
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        Frequently Asked Questions About 115th Bypass

        ▼ Where is 115th Bypass located?
        115th Bypass is located in Island Center Forest, Vashon Island, Washington, United States. It is part of the Island Center Forest trail network. The trailhead is located at coordinates 47.44, -122.48164.
        ▼ How hard is 115th Bypass?
        115th Bypass is rated as Blue difficulty.
        ▼ What is the elevation gain for 115th Bypass?
        115th Bypass has 22 ft of elevation gain. The trail has 22 ft of elevation descent. The elevation ranges from 369 ft to 393 ft.
        ▼ Is 115th Bypass a point to point trail?
        115th Bypass is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
        ▼ How long is 115th Bypass?
        115th Bypass is 2,536 ft long. The trail type is singletrack.
        ▼ Are dogs allowed on 115th Bypass?
        Yes, dogs are allowed on 115th Bypass. Please keep dogs on a leash where required and clean up after them.
        ▼ How do I access 115th Bypass? Where is the closest parking trailhead?
        The closest parking and trailhead locations to 115th Bypass are: View all parking locations in the area.
        ▼ How long does it take to ride 115th Bypass?
        Based on recorded activities, it takes an average of 3 minutes to ride 115th Bypass. The trail is 2,536 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is 115th Bypass?
        115th Bypass is a moderately popular trail. There have been 135 recorded activities on this trail. The trail has received 142 check-ins. View recent activity on this trail.

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