Idaho · Mountain biking · Near Idaho City

#15A Old Pen

0.6 mi
round trip
381 ft
climb
Mixed
surface
Out and back
route
Apr–Jun, Sep–Oct
best months

Around this trail

Add any of these when you start a trip
  • Sleep close

    ​Boise Riverside RV Park

    Campground

    Campground · 6.8 mi from the trail
  • Eat after

    Trolley House

    Restaurant

    On your way back · 1 mi
  • If it rainsTamanoeconomico, CC BY-SA 4.0 · Wikimedia Commons

    Joseph Bown House

    Museum

    On your way back · 2 mi

Places © OpenStreetMap contributors · Photos: Tamanoeconomico, CC BY-SA 4.0 (commons)

More in Idaho City

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 #15A Old Pen

    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

      39° / 26°

      11 wet · 5 snow

    2. Feb

      46° / 29°

      9 wet · 3 snow

    3. Mar

      55° / 35°

      10 wet · 2 snow

    4. Apr

      62° / 40°

      9 wet

    5. May

      72° / 48°

      8 wet

    6. Jun

      81° / 54°

      5 wet

    7. Jul

      93° / 62°

      3 wet

    8. Aug

      91° / 61°

      2 wet

    9. Sep

      80° / 53°

      4 wet

    10. Oct

      65° / 42°

      6 wet

    11. Nov

      49° / 32°

      10 wet · 2 snow

    12. Dec

      39° / 25°

      12 wet · 5 snow

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Boise Air Terminal, ID, 4.7 mi away at 2,814 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Map and trail data © OpenStreetMap contributors