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+ 194

Georgia Pass -> Boreas Pass Loop

Gravel Riding Trail

Hard
49.0 mi
5,353 ft
An ambitious dirt road loop up and over Georgia Pass, returning over Boreas Pass.

If you’re looking for an ambitious dirt road loop right out of downtown Breckenridge that’s achievable on a gravel bike, look no further than this route up and over Georgia Pass, returning to Breck via Boreas Pass. Admittedly, the technical difficulty of this route could be a bit much for some gravel riders. The section of dirt road climbing up to the top of Georgia Pass is rated for 4x4 vehicles on the map, with the upper section rated as difficult. However, a competent rider on a gravel bike should be able to pick their way up the rocky 4x4 road to gain the top of the pass. The grassy meadows on top of Georgia Pass yields jaw-dropping views of the surrounding mountains. Mt. Guyot towers over you. From here on out, the technical climbing will pay off with easier riding! The rest of the route takes place largely on two-wheel-drive gravel roads, with some sections of pavement mixed in. Thankfully, the gravel road descent down the backside of Georgia Pass is smoother than the climb, allowing you to relax a little bit as you rip down the mountain. Once you drop into the South Park valley, a short section of riding along Highway 285 is required to reach the gravel on Boreas Pass. Note that cars fly along this highway at 65 MPH or faster, so ride cautiously. Thankfully, the shoulder is generally quite wide. After dealing with the traffic on the highway, getting back on the gravel on Boreas Pass is a welcome breath of fresh air. Originally a railroad grade that was built to serve the nearby mines, the well-built corridor makes for a pleasant, consistent pedal to the top. Boreas Pass is notable as one of the few graded and well-maintained two-wheel-drive roads in Colorado that climb up and over a major alpine pass. In general, most other high alpine passes are either gnarly 4x4 roads, or are paved. Consequently, Boreas Pass is a gravel biker’s paradise! Once on top of the 11,500-foot pass, get ready for a steady downhill rip all the way back into downtown Breckenridge! Be sure to take in the views along the way, and stop and snap a quick picture at the impressive Baker’s Tank. Written by Greg Heil
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Strava Routes

Route and Elevation

Segments

NameDistanceElev. Diff.Avg. Grade
wellington .... the hard part0.10 mi33 ft5.7%
Wellington: Royal Tiger to Reiling0.66 mi26 ft0.4%
Royal Tiger to Campion0.27 mi13 ft0.4%
The road home0.39 mi26 ft1.1%
Casi en casa0.57 mi138 ft4.6%
French Gulch Rd. Dirt to Sally Barber Parking2.18 mi456 ft4.0%
Top of the hood to B+B0.57 mi112 ft3.7%
Humbug Hill0.79 mi722 ft17.3%
South Fork Road Climb2.54 mi837 ft6.2%
S Fork Swan Rd Climb0.52 mi312 ft11.2%
South Fork Rd. Climb from Great Flume to GA Pass Sign1.07 mi725 ft12.8%
355 climb to saddle0.77 mi709 ft17.3%
Geneva downhill madness to michigan creek6.25 mi-1,473 ft-4.5%
Lower Half Descend Georgia Pass3.35 mi-466 ft-2.4%
South Boreas Pass10.34 mi1,549 ft2.8%
Boreas Pass First 10km5.71 mi768 ft2.5%
Boreas south side climb from Roberts Cabin7.16 mi1,296 ft3.4%
Boreas Pass (801 Junction to Top)3.85 mi725 ft3.6%
Forest Service Road 404 Climb1.71 mi341 ft3.7%
Forest Service Road 404 Climb1.43 mi276 ft3.6%
Boreas - Train to Aspen Alley6.12 mi-1,043 ft-3.2%
Tank Descent3.07 mi-509 ft-3.1%
Illinois Gulch Drop0.73 mi-272 ft-7.1%
IG to French1.83 mi-525 ft-5.4%
Moonstone to town descent1.11 mi-246 ft-4.2%