Idaho · Mountain biking

Brennan

1.6 mi
round trip
799 ft
climb
Singletrack
surface
Out and back
route
Apr–Jun, Sep–Oct
best months

Brennan is a mountain biking route on Bureau of Land Management land in the Burley Field Office in southern Idaho, about 1.5 miles from the town of Burley. The ride is an out-and-back of about 3 miles, with a total climb of roughly 800 feet and a high point of about 4,940 feet. The route is rated hard, and the steepest stretch comes at about 0.65 miles in, with a grade of about 11%. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station in Twin Falls show May highs around 69°F and September highs around 76°F, while July and August average in the upper 80s. Several other mountain biking routes sit close by. Matt's Gulch is about 0.2 miles away, Upper Dry Gulch about 0.6 miles, and Sidewinder about a mile. For paddling, Rock Creek is about 3 miles off.

Local outfitters

Not on Roamze yet. Their page has how to reach them.

  • Best time to go · Apr–Jun, Sep–Oct

    Best time to visit Brennan

    Best months: April–June and September–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

    1. Jan

      37° / 21°

      8 wet

    2. Feb

      42° / 24°

      7 wet

    3. Mar

      52° / 30°

      9 wet

    4. Apr

      59° / 34°

      9 wet

    5. May

      69° / 42°

      8 wet

    6. Jun

      78° / 49°

      5 wet

    7. Jul

      88° / 58°

      3 wet

    8. Aug

      87° / 56°

      3 wet

    9. Sep

      76° / 47°

      4 wet

    10. Oct

      62° / 36°

      5 wet

    11. Nov

      47° / 26°

      7 wet

    12. Dec

      37° / 20°

      9 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Twin Falls Sun Vly Rgnl Ap, ID, 9.4 mi away at 4,151 ft. The station sits about 800 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

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