Idaho · Rock climbing · Almo

Heffalump

Heffalump in Idaho has 13 climbing routes across 7 grades, featuring mixed, sport, and trad styles.

13 routes
5.6 – 5.10-
Sport · Trad · Mixed

Best time to visit Heffalump

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

    40° / 21°

    6 wet

  2. Feb

    44° / 24°

    6 wet

  3. Mar

    54° / 30°

    7 wet

  4. Apr

    60° / 34°

    8 wet

  5. May

    69° / 41°

    9 wet

  6. Jun

    78° / 48°

    6 wet

  7. Jul

    86° / 57°

    4 wet

  8. Aug

    86° / 56°

    4 wet

  9. Sep

    77° / 47°

    4 wet

  10. Oct

    64° / 37°

    5 wet

  11. Nov

    49° / 28°

    6 wet

  12. Dec

    39° / 21°

    6 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Oakley, ID, 13.8 mi away at 4,559 ft. The station sits about 1,500 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.

Heffalump is a climbing area in Castle Rocks State Park in Idaho, managed by State Park and Recreation. It sits among several other climbing areas, including Fence Line, Eagle Rock Grove and Shark's Fin Rock, all within about a tenth of a mile. The climbing here is a mix of sport and trad routes, with 13 routes in total. The YDS grades run from 5.6 to 5.10-, with the median at 5.8. Sport routes include Sweet Roberta at 5.6 and Piglet Tip Toes at 5.10-, while Pooh Corner is a trad route at 5.8-. For timing, late spring and early fall are the most comfortable. Typical averages from a nearby weather station in Oakley show May highs around 69°F and September highs around 77°F, with July and August peaking near 86°F. That station sits about 1,500 feet lower than the park, so temperatures at the climbing area run cooler. Nearby, the Backyard Boulders Return Route hike is about 0.7 miles away, and Independence Lakes Campground is about 5.7 miles away.

Keep exploring — more climbs worth the drive