Colorado · Rock climbing · Morrison

Magnum Block

Magnum Block in Colorado has 8 climbing routes across 5 grades.

8 routes
V1 – V7
Bouldering

Best time to visit Magnum Block

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

    46° / 19°

    4 wet

  2. Feb

    47° / 20°

    4 wet

  3. Mar

    55° / 28°

    5 wet

  4. Apr

    60° / 34°

    7 wet

  5. May

    69° / 44°

    9 wet

  6. Jun

    81° / 53°

    8 wet

  7. Jul

    86° / 60°

    8 wet

  8. Aug

    85° / 57°

    9 wet

  9. Sep

    77° / 49°

    6 wet

  10. Oct

    64° / 37°

    5 wet

  11. Nov

    53° / 28°

    4 wet

  12. Dec

    45° / 20°

    4 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Marston Fltr Plt, CO, 6.7 mi away at 5,610 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Magnum Block is a climbing area in Colorado, about 0.3 miles from the town of Morrison. It sits right next to several other climbing areas, which makes it easy to pair with a visit to the MoSo Area, Dasani Area or Rock Staircase Area, all about 0.1 miles away. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station show May highs around 69°F and September highs around 77°F, with July the warmest month at about 86°F. Mountain bikers can head to the C-470 & Bear Creek Trail, about 0.4 miles away, and paddlers will find Bear Creek roughly 7.9 miles off. For an overnight stay, Dakota Ridge RV Park is about 4.7 miles away.