Colorado · Rock climbing · Golden

The Millenium Boulder

16-boulder bouldering crag in Colorado with 12 difficulty grades.

16 routes
V1 – V10+
Bouldering

Best time to visit The Millenium Boulder

Best months: May–September. 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

    44° / 12°

    5 wet

  2. Feb

    44° / 13°

    6 wet

  3. Mar

    51° / 21°

    7 wet

  4. Apr

    56° / 27°

    8 wet

  5. May

    64° / 36°

    10 wet

  6. Jun

    76° / 43°

    10 wet

  7. Jul

    81° / 49°

    12 wet

  8. Aug

    79° / 47°

    12 wet

  9. Sep

    73° / 40°

    8 wet

  10. Oct

    61° / 29°

    6 wet

  11. Nov

    51° / 20°

    5 wet

  12. Dec

    44° / 13°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Evergreen, CO, 6.5 mi away at 6,985 ft. The station sits about 700 ft higher than this place, so expect it a little warmer here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

The Millenium Boulder is a climbing area in Matthews/Winters Park, on county land in Colorado. It sits within the park's network of boulders and trails, and the surrounding area offers both climbing and hiking within a short distance. For comfortable weather, late spring and early fall are the sweet spots. Typical averages from the nearby Evergreen weather station show May highs around 64°F and September highs around 73°F, with July the warmest month at about 81°F. Hill Side Boulders is just 0.3 miles away, and the Red Rocks Trail and the Matthews-Winters Park climbing area are each about 0.4 miles off. For an overnight stay, Dakota Ridge RV Park is roughly 2.7 miles away.