Colorado · Rock climbing · Aspen

Upper Boulderfield aka Bulldog Boulders

Upper Boulderfield (Bulldog Boulders) in Colorado has 23 bouldering routes.

23 routes
V0 – V6
Bouldering

Is Upper Boulderfield aka Bulldog Boulders open right now?

Closure in the area

There's a closure order in White River National Forest. It doesn't name Upper Boulderfield aka Bulldog Boulders, so check the source for the area it covers (2 listed).

As of · Source: USFS · White River National Forest. Agencies don't list every closure — check before you go.

Best time to visit Upper Boulderfield aka Bulldog Boulders

Best months: June–August. 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

    31° / 3°

    8 wet

  2. Feb

    33° / 3°

    8 wet

  3. Mar

    39° / 9°

    8 wet

  4. Apr

    44° / 18°

    8 wet

  5. May

    55° / 27°

    9 wet

  6. Jun

    68° / 34°

    9 wet

  7. Jul

    73° / 39°

    12 wet

  8. Aug

    70° / 38°

    12 wet

  9. Sep

    62° / 31°

    8 wet

  10. Oct

    51° / 23°

    6 wet

  11. Nov

    39° / 14°

    7 wet

  12. Dec

    31° / 6°

    7 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Sugarloaf Rsvr, CO, 18.1 mi away at 9,738 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Upper Boulderfield, also known as Bulldog Boulders, is a climbing area in the Aspen Ranger District of White River National Forest in Colorado, managed by the Forest Service. It sits among a cluster of bouldering spots, with Lightning Bolt Boulder and Warm-Up Boulder both about 0.1 mile away. Summer is the most comfortable time to visit. Typical averages from a nearby weather station show July highs around 73°F with lows near 39°F, while winter highs stay around 31°F. For an overnight stay, Lincoln Creek Dispersed Campground is about 1.6 miles away and Lost Man Campground about 2.4 miles. The Lost Man Loop hike and Twining Peak are also about 2.4 miles off.

Routes (23)

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Sunset CantinaPhoto: markbyzewski, CC BY 2.0 (via Flickr)

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Campground RockPhoto: markbyzewski, CC BY 2.0 (via Flickr)

Campground Rock

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Lincoln Creek CliffPhoto: markbyzewski, CC BY 2.0 (via Flickr)

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The Warm-Up Boulder

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Turkey Rock

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Upper Bulldog Cliff

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