10 miles
2,125 ft
-2,124 ft
1,861 ft
High Point

Start out along the relatively flat "Reservoir Race", watching out for the steep cliffs beside the track in some sections. Climb up "Wheely Wavey" to the top of Service Basin Spur (There is a bail out point near the top, to shortcut back down "Busy Beaver" if you've had enough!) Descend the far side of the spur down the fast and flowy "Port Hill" before climbing back up "2 Up". Finally descend the many switchbacks of "Busy Beaver" and return to the first section of "Reservoir Race "via "The Birthday Route"

Local Trail Association
Yack Tracks (www.exploreyackandandah.com.au)
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Trails in Route

Reservoir Race2 miles
Wheely Wavey3,852 ft
Port Hill2 miles
2Up Track1 miles
Busy Beaver1 miles
Birthday3,757 ft


  • Riding area
  • AKA
    Ground Effect Loop
  • Difficulty rating
  • Route Type
  • Ridelogs
More Stats for Yack Yellow Loop mountain bike route
  • Altitude min
    1,199 ft
  • Altitude start
    1,199 ft
  • Altitude end
    1,200 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    5 miles
  • Distance down
    5 miles
  • Distance flat
    4,042 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
Trail transparency

Recent Trail Reports Along Route

Reservoir Race
Nov 5, 2018 @ 11:06pm
Nov 5, 2018
Bracken whacked to here
Nov 4, 2018 @ 11:12pm
Nov 4, 2018
Tree removed
Busy Beaver
Nov 2, 2018 @ 1:39am
Nov 2, 2018
Medium tree removed
2Up Track
Jul 27, 2018 @ 4:18pm
Jul 27, 2018
Bracken whacking on upper reaches
Port Hill
Apr 22, 2018 @ 6:56pm
Apr 22, 2018
Tree removed
more reports »
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