more stats
82 ft
Distance
-12 ft
Descent
311 ft
High Point
-12 ft
Altitude change
299 ft
Altitude min
311 ft
Altitude start
299 ft
Altitude end
-14.7%
Grade
-11.3%
Grade max
-11.3%
Grade min
59 ft
Distance down
26 ft
Distance flat

BS Boulder Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Hike
    • Trail Running
  • Riding Area
    Sunnyslope Trails
    Lake Oswego, Oregon
  • Difficulty Rating
    Double Black Diamond Rate
  • Local Popularity
    30 in Mountain Biking [+]
    • 5 in E-Biking
    • 5 in Trail Running
    • 5 in Hiking
  • Trail Type
    Singletrack
  • Bike Type
    DH
  • Direction
    Downhill Only
  • Physical Rating
    Extreme
  • Trail Visibility
    Sometimes hard to follow
  • TTFs on Trail
    Rock Face
  • Land Owner
    City of Lake Oswego

No community description for BS Boulder trail has been added yet!

AI Generated Description

BS Boulder is a 82 ft less popular double black diamond difficulty singletrack trail located near Lake Oswego Oregon. Riders describe it as faint trail. It has rock slabs. This mountain bike primary trail can be used downhill only and has a extreme overall physical rating. It features rock face. Trail visibility is sometimes hard to follow.

Tags
Faint trailRock slabs

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 3 rides
  • 12 miles avg distance
All
  • 4 rides
  • Last: Oct 2, 2026
c1c2c3c4
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BS Boulder Trail Reports

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      Directions to bs-boulder trailhead (45.385300, -122.706810)
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      Frequently Asked Questions

      ▼ Where is BS Boulder located?
      BS Boulder is located in Sunnyslope Trails, Lake Oswego, Oregon, United States. It is part of the Sunnyslope Trails trail network. The trailhead is located at coordinates 45.3853, -122.70681.
      ▼ How hard is BS Boulder?
      BS Boulder is rated as Double Black Diamond difficulty. The physical rating is Extreme. The average grade is 14.7%.
      ▼ What is the elevation gain for BS Boulder?
      The trail has 12 ft of elevation descent. The elevation ranges from 299 ft to 311 ft.
      ▼ Is BS Boulder a point to point trail?
      Yes, BS Boulder is a point to point trail. The direction is Downhill Only. The trail type is singletrack.
      ▼ How long is BS Boulder?
      BS Boulder is 82 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on BS Boulder?
      There is no information about dogs being allowed on BS Boulder. Check with local trail managers or the trail page for the latest access rules.
      ▼ How do I access BS Boulder? Where is the closest parking trailhead?
      The closest parking and trailhead locations to BS Boulder are: View all parking locations in the area.
      ▼ How busy is BS Boulder?
      BS Boulder is a less popular trail with lighter traffic. There have been 14 recorded activities on this trail. The trail has received 23 check-ins. View recent activity on this trail.

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