Idaho · Rock climbing · American Falls

The Bond Boulders

13 bouldering routes in Idaho spanning 9 difficulty grades.

13 routes
V1- – V8-9
Bouldering

Best time to visit The Bond Boulders

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

    35° / 17°

    10 wet

  2. Feb

    39° / 21°

    9 wet

  3. Mar

    51° / 27°

    9 wet

  4. Apr

    59° / 33°

    10 wet

  5. May

    68° / 39°

    10 wet

  6. Jun

    78° / 46°

    7 wet

  7. Jul

    89° / 53°

    5 wet

  8. Aug

    88° / 52°

    6 wet

  9. Sep

    77° / 43°

    6 wet

  10. Oct

    62° / 34°

    7 wet

  11. Nov

    47° / 24°

    9 wet

  12. Dec

    35° / 18°

    10 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Massacre Rocks Sp, ID, 0.9 mi away at 4,195 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

The Bond Boulders is a bouldering area within Massacre Rocks State Park in Idaho, managed by State Park and Recreation. It sits among a cluster of climbing and hiking spots, with the Pinocchio boulders and the Pohogwe Trail both about 0.1 mile away. The boulders hold 13 routes, all rated on the V scale from V1- to V8. The median grade is V5, and the hardest are Goldfinger and Thunderball at V8. Moneypenny is the easiest, a V1- boulder problem first climbed by Amanda Eck. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station show May highs around 68°F and September highs around 77°F, while July and August average highs near 89°F. Nearby, the River Trail and Canyon Trail offer hiking, and Rock Creek, about 2 miles away, is a paddling option. Pipeline Campground, roughly 6 miles off, is the closest place to camp.