5 miles
1,157 ft
-1,627 ft
5,197 ft
High Point

Kelly Ditch Trail Details

  • Riding Area
    Cuyamaca Rancho State Park
    descanso, California
  • Difficulty Rating
  • Trail Type
  • Bike Type
    AM, XC
  • Trail Usage
  • Direction
    Both Directions
  • Climb Difficulty
  • Physical Rating
  • Season
    all year
  • Global Ranking
  • Land Manager
    Cuyamaca Rancho State Park

Kelly Ditch Trail is so named because it follows Kelly Ditch, a century-old waterworks project. Chinese laborers dug a ditch in order to channel runoff water from the Cuyamaca Mountains into the then newly formed Cuyamaca Reservoir.

Difficult trail for mountain biking. There are many fallen trees on the path forcing you to pick up your bike. This trail is either uphill or downhill (no flat areas). There are many trail logs across the trail that make the ride a bit more difficult for new bikers

Access Info

From Julian, drive eight miles south on California 79. As you reach Cuyamaca Reservoir, just past the point where Engineers Road crosses the highway, you'll see a state park boundary sign and another sign that reads "Trail." Park in a safe manner on the shoulder of the highway.

Local Trail Association
More Stats for Kelly Ditch Trail bike trail
  • Altitude change
    -471 ft
  • Altitude min
    4,080 ft
  • Altitude start
    4,653 ft
  • Altitude end
    4,182 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    2 miles
  • Distance down
    3 miles
  • Distance flat
    731 ft
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Layers winter
Trail Style
  • ?
Activity Type
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to kelly-ditch-trail trailhead (32.991720, -116.587735)
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