5 miles
642 ft
-1,214 ft
2 miles
High Point

South Boundary section from Paradise Park to the start of the Ojitos trail.

"Starting at near the summit of Sierra de Don Fernando, you descend on FR 164 for a bit before hopping on South Boundary.
Once you're on SB, pop your bike in the highest gear and crank away down this long slightly downhill traverse across the side of the hill.

The trail is pretty smooth, so you can go pretty fast.
There's almost 3 miles of this kind of trail before you hit a nice field.
Head up the hill to the left if you want a nice view north.

From here the trail changes a bit into some tighter and rooty sections.
Watch those sharp corners and roots!
As you get lower, things go from rooty, to rocky.
Take a slight right onto FR 437 to continue down the SB trail.
Right at the end there's a rollover on a tree. It looks like a drop, but there's some flat rocks on the back that make this pretty easy if you're going slow.

Not sure who would ride up this...it would be terrible."

Local Trail Association
Del Norte MTB Alliance (delnortemtb.com)
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Trails in Route


  • Riding area
  • Difficulty rating
    Black Diamond
  • Route Type
    Point to Point
  • Bike type
  • Direction
    Both Directions
  • Physical rating
More Stats for South Boundary - Paradise Park to SBT/Ojitos junction mountain bike route
  • Altitude change
    -571 ft
  • Altitude min
    9,271 ft
  • Altitude start
    9,910 ft
  • Altitude end
    9,339 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    2 miles
  • Distance down
    3 miles
  • Distance flat
    1,279 ft
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Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
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Trail Difficulties
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  • White
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  • Double Black Diamond

Trail Report Status
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  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
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  • Water Fountain/Source Water Fountain/Source
  • Sight Sight
  • Restrooms Restrooms
  • Gate Gate
  • Camping Camping
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
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