1.6 miles
160 ft
-927 ft
Avg time

Upper Dan's Details

Official multi-use bidirectional gravel trail. The trail is open year-round to bikes as well as equestrian and pedestrian traffic. Bikes are required by OSU to yield to all other users.

One of the longest continuous trails in the McDonald Forest system when combined with its middle and lower counterparts. Long straight sections interrupted by open off-camber switchback corners. Mostly open sight lines that encourage high speeds, but be aware of other trail users potentially behind every blind corner. Both this and Horse Trail can be crowded.

Trail is often covered with wet, decomposing, crushed organic slurry that make it sloppy to ride in winter, but the gravel tread will hold up to the abuse and your tires will do no harm to anything other than making you and your bike a mess.

Access Info

Top of the trail is right next to an informational placard on a rock atop Dimple Hill, at the end of the 650 road. After a short spur bridges to a lower portion of the 650 road where it intersects Patterson and the 660 road, the trail continues all the way down to the 612.4 road where it meets Middle Dan's.

Local Trail Association
More Stats for Upper Dan's mountain bike trail
  • Altitude change
    -768 ft
  • Altitude min
    711 ft
  • Altitude max
    1,479 ft
  • Altitude start
    1,478 ft
  • Altitude end
    711 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    1,599 ft
  • Distance down
    1.2 miles
  • Distance flat
    437 ft
  • Avg time
  • view trail stats
on Feb 11, 2017
Avg: 4 (2 votes)

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Layers winter
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Directions to upper-dan-s trailhead (44.614330, -123.318420)
update trails status or condition

Upper Dan's Trail Reports

Feb 11, 2017 @ 3:17pm
Feb 11, 2017
Wet, slippery, lots of standing water.
Dec 11, 2016 @ 7:28am
Dec 11, 2016
Wet. Standing water. Like being firehosed with horse and dog poop mixed in.
Nov 27, 2016 @ 5:13pm
Nov 27, 2016
Wet and sloppy organic sure to spray anyone with speed. Standing water often present on the trail.
Nov 12, 2016 @ 9:15am
Nov 12, 2016
Clear and riding well. Lots of decomposing organics on the tread that will be sloppy when they wet back up.
Mar 31, 2016 @ 4:57pm
Mar 31, 2016
Gravel tread is fine but cupped and holding standing water and/or lots of wet organic.
view all reports »


more »
140 |
Sep 11, 2015 @ 5:45pm
Sep 11, 2015
Upper Dan's, Corvallis
178 |
Dec 19, 2005 @ 1:07pm
Dec 19, 2005
Upper Dan's, Corvallis

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