5 miles
1,123 ft
-3,168 ft
Avg time
Trail Supporters, Builders & Maintainers of Osborne Mountain #250 Trail


  • Riding area
    Osborne Mt
    Ashford, Washington
  • Difficulty rating
  • Trail type
  • Bike type
  • Trail Usage
  • Direction
    Downhill Primary
    Popular direction shown
  • Climb Difficulty
    Double Black Diamond
  • Physical rating
  • eBike Allowed
  • Global Ranking
  • Land Manager

This trail is open to motorcycles, hikers, horses and bicycles.

This route is sometimes known as the Sawtooth Ridge Epic.

This ride has it all: old growth forest, pristine lakes, great views, very narrow trail, some climbing challenge, a stretch of flowy downhill and to finish a section of steeper downhill with many switchbacks. Perhaps the one thing missing is an actual peak--despite the name, the route does not go to the top of Osborne Mountain. If you want panoramic views, do the three mile side hike up High Rock that's described below. This is a great ride, more people should check it out.

The ride difficulty is in the same class as, but a bit higher than the Lower Dungeness-Gold Creek trail loop. There are some tough climbs, and there are long, long stretches of very narrow trail with side slope exposure.

The adventure consists of a 11 mile approach on forest roads, and a 12 mile return that's mostly singletrack with a short road climb in the middle. The ride can also be done as a point-to-point shuttle. The shuttle makes it a 12 mile ride that still has 2500 feet of climbing.

Big Creek #252 / Teeley Creek #251 trails can be ridden as an 8mi out and back or combined with the Osbourne Mt #250 as a point to point or larger loop using forest roads. Done as an out and back or point to point this ride has steep climbs and super fun single track descents through old growth forest. Three lakes are accessible on the trail along with great views of Mt. Rainier giving this ride a back country feel.

Access Info

The campground is closed and gated from mid-September through mid-May. Access to the trail during this time is from the campground entrance road on Forest Road 52.

Access Option 2:

To access Big Creek #252 trail head start by driving 17 mi north or 2.8 mi from big creek camp on Skate Creek and turn FR84. Continue 4.2 mi up FR84 and turn right on 8420 and the trail head will be on the left in 2mi.
If doing this as a loop or point to point park at Big Creek Campground so the ride ends with a long descent


This trail is maintained by the US Forest Service. Check with the USFS/Gifford Pinchot National Forest for the latest trail status.

Local Trail Association
More Stats for Osborne Mountain Trail #250 mountain bike trail
  • Altitude change
    -2,044 ft
  • Altitude min
    1,808 ft
  • Altitude max
    4,623 ft
  • Altitude start
    3,869 ft
  • Altitude end
    1,825 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    2 miles
  • Distance down
    3 miles
  • Distance flat
    1,290 ft
  • Avg time
  • view trail stats
on Aug 5, 2018
Avg: 4 (3 votes)

view (13)
Layers winter
Trail Style
  • ?
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to osborne-mountain-trail-250 trailhead (46.702579, -121.937028)
update trails status or condition

Osborne Mountain... Trail Reports

Aug 5, 2018 @ 4:56pm
Aug 5, 2018
Pretty good but a couple motos have gone thru making some spots even harder than usual
Aug 29, 2017 @ 11:46am
Aug 29, 2017
Running fast and unobstructed from top of descent (intersection with NF-8410) to parking lot at Big Creek Campground. This was my first time...
view all reports »


more »
78 |
Aug 29, 2017 @ 1:29pm
Aug 29, 2017
Osborne Mountain Trail #250
67 |
Aug 29, 2017 @ 1:29pm
Aug 29, 2017
Osborne Mountain Trail #250
68 |
Aug 29, 2017 @ 1:29pm
Aug 29, 2017
Osborne Mountain Trail #250
82 |
Aug 11, 2017 @ 2:09am
Aug 11, 2017
Osborne Mountain Trail #250

Routes with this trail

Osbourne mt full loop
22 miles
Osborne Lower Loop
11 miles

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