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South Saint Vrain Figure 8

 4.1 (35)

16.3 Miles 26.2 Kilometers



2,147' 654 m


-2,158' -658 m



Avg Grade (3°)


Max Grade (9°)

10,587' 3,227 m


8,746' 2,666 m


Shared By Jim Mapes


All Clear 1 day ago
a little rain today but should dry up fast. watch out for the branches sticking out! History

Getting forecast...

A challenging mountain link-up with a substantial downhill finish.

Jim Mapes

Dogs Unknown

Features -none-


The best link-up of the technical descending in the Brainard Lake area. When ridden as described, the climbs are tough but mostly manageable for strong riders and the descents are fully engaging.

Need to Know

The sections near Brainard Lake skirt the wilderness boundary and care should be taken to not venture onto trails that are closed to bicycles.

Unless you're very experienced in this type of technical riding, expect to dismount frequently during the course of the ride.The rock gardens on the downhill sections of the latter half of the ride are especially challenging.


From the South Saint Vrain Trailhead near the Peak to Peak (Highway 72), climb up Road 96 to the junction with the North Sourdough. Take North Sourdough to the south (left). Cross over the South Saint Vrain Trail and continue to Brainard Lake Road. Cross Brainard Lake Road to Road 2321 (passing the junction with Sourdough Trail - Southern Half on your left.

Ride up Road 2321 until the Little Raven Trail. Head north on Little Raven Trail until you get back to Brainard Lake Road. Head right on Brainard Lake Road for a short distance then turn left on the unmarked trail that crosses the meadow. Go left on the Brainard Lake Road for a few hundred feet to the kiosk on the right and the start of the South Saint Vrain Spur. Take the South Saint Vrain Spur to the main South Saint Vrain Trail being careful to turn right (left is off limits to bicycles). Ride the South Saint Vrain Trail all the way back to your start.


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Your Check-Ins


Jul 26, 2018
John Cordera
Jul 22, 2018
dave van tol
Jul 22, 2018
Greg Gitke
Jul 21, 2018
Chris Smith
Great ride. Be ready for the elevation as there is a lot of climbing. Lots of rocks. Back side descent very technical and fast.Follow river to parking
Jul 21, 2018
Sarah Lewis
Jul 1, 2018
dave van tol
Jun 15, 2018
Michael Turner
Riding well. Few snow patches on Little Raven! 16mi — 2h 15m
Jun 5, 2018
Brian Klimaszewski
still a bunch of snow above 10k feet. 18mi

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Trail Ratings

  4.1 from 35 votes


in Ward


  4.1 from 35 votes
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Peter N
Peter N   Colorado
Not for the faint of heart, but hell of a ride. The climb up sourdough is super technical, expect slow pace and a bunch of time out of the saddle hoping over tons of rocks both large and small, loose and stationary. When you're about to jump on Little Raven at the very tippy top of the climb, continue on the road for Aug 7, 2018

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