Idaho · Rock climbing · Almo

Demon Daze Boulder

Demon Daze Boulder in Idaho has 6 bouldering routes across 5 grades.

Demon Daze BoulderPhoto: cifraser1, CC BY 2.0 (via Flickr)
6 routes
V2 – V12
Bouldering

Is Demon Daze Boulder open right now?

No closures listed

The National Park Service lists no closures for City of Rocks National Reserve.

As of · Source: NPS · City of Rocks National Reserve. Agencies don't list every closure — check before you go.

Best time to visit Demon Daze Boulder

Best months: April–June and August–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° / 16°

    8 wet

  2. Feb

    39° / 19°

    7 wet

  3. Mar

    48° / 27°

    6 wet

  4. Apr

    55° / 33°

    7 wet

  5. May

    65° / 41°

    9 wet

  6. Jun

    75° / 50°

    6 wet

  7. Jul

    86° / 59°

    5 wet

  8. Aug

    85° / 57°

    6 wet

  9. Sep

    74° / 48°

    5 wet

  10. Oct

    60° / 35°

    5 wet

  11. Nov

    45° / 24°

    6 wet

  12. Dec

    35° / 17°

    8 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Rosette, UT, 22.9 mi away at 5,685 ft. The station sits about 600 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.

Demon Daze Boulder is a bouldering area within City of Rocks National Reserve in Idaho, managed by the National Park Service. It sits among several other climbing areas, including Checkered Demon, The Gallstone and Elephant Rock - North, all about 0.1 mile away. The closest hike is Register Rock, about half a mile off. The area is entirely bouldering, with six routes ranging from V2 to V12. The hardest is Ex Machina at V12, and Tres Huecos runs V11-12. Demon Daze is a V10. These figures are typical of the bouldering here. For comfortable weather, late spring and early fall are the best bets. Typical averages from a nearby weather station run from highs around 65°F in May to 74°F in September. That station sits about 570 feet below the reserve, so temperatures up high run cooler.

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