13 miles – South 3rd / Sourdough Loop 

This is a local favorite for a quick after-work ride. It’s about 13 miles and provides a consistent mild climb on 3rd before a fun big-ring downhill on Sourdough. On a clear day (usually the case) enjoy the view across the valley to the Tobacco Roots before heading back into town.

To add a good climb and a fun downhill, hang a right on Triple Tree Rd. off of Sourdough between miles 7 and 8. Head up the road until you get to the top, then turn around.

Total distance: 12.6 miles / 20.3 Km
Starting elevation: 4836 ft
Maximum elevation: 5220.0 ft
Elevation Gain: 377.0 ft



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  1. Head west on E Main St toward S Black Ave for 0.2 mi
  2. Take the 3rd left onto S Willson Ave for 1.3 mi
  3. Continue onto S 3rd Ave for 0.8 mi
  4. Continue onto Wagonwheel Rd for 0.8 mi
  5. Turn left onto S 3rd Ave for 0.4 mi
  6. Turn right onto Goldenstein Ln for 0.2 mi
  7. Turn left onto S 3rd Rd for 2.0 mi
  8. Turn left onto Nash Rd for 1.5 mi
  9. Turn left onto Sourdough Rd for 3.9 mi
  10. Continue onto S Church Ave for 1.2 mi
  11. Turn left onto E Olive St for 0.2 mi
  12. Turn right onto S Bozeman Ave for 0.1 mi
  13. Turn left at the 2nd cross street onto E Main St

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