Idaho · Rock climbing · Pocatello

Main Corridor

Main Corridor is a bouldering area in Idaho with 7 routes.

7 routes
V0- – V6
Bouldering

Best time to visit Main Corridor

Best months: May–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

    36° / 21°

    9 wet · 6 snow

  2. Feb

    41° / 22°

    8 wet · 5 snow

  3. Mar

    52° / 31°

    10 wet · 4 snow

  4. Apr

    61° / 37°

    9 wet · 2 snow

  5. May

    71° / 44°

    10 wet

  6. Jun

    80° / 52°

    6 wet

  7. Jul

    91° / 59°

    4 wet

  8. Aug

    89° / 57°

    4 wet

  9. Sep

    78° / 49°

    5 wet

  10. Oct

    63° / 38°

    7 wet · 1 snow

  11. Nov

    47° / 28°

    7 wet · 2 snow

  12. Dec

    36° / 21°

    9 wet · 5 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Pocatello City, ID, 3.8 mi away at 4,460 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Main Corridor is a bouldering area in Idaho, about 3 miles from the town of Portneuf. It sits among several other climbing areas, including South, Tropical and Main Section, all within about a tenth of a mile. The climbing here is all bouldering, with seven routes spread across the V0- to V6 range. The most comfortable months for a visit are late spring and early fall. Typical averages from a nearby weather station in Pocatello show May highs around 71°F and September highs around 78°F, while July and August average in the high 80s. The closest trail is the Portneuf River Greenbelt Path, about half a mile away. The Rim Trail and North Fork Gibson Jack--John are both within 3 miles. For an overnight stay, Mink Creek Group Site Campground is about 7 miles off.

Routes (7)