Colorado · Rock climbing · Lyons

The Cays

Cays, The is a 2-route climbing area in Colorado with mixed protection.

The CaysPhoto: Dave Snowden, CC BY-SA 2.0 (via Flickr)
2 routes
5.6 – 5.8
Mixed

Is Cays, The open right now?

Alert in the area

The Forest Service lists 3 alerts for Arapaho and Roosevelt National Forests.

As of · Source: USFS · Arapaho and Roosevelt National Forests. Agencies don't list every closure — check before you go.

Best time to visit The Cays

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

    32° / 14°

  2. Feb

    35° / 15°

  3. Mar

    42° / 20°

  4. Apr

    46° / 23°

  5. May

    56° / 32°

  6. Jun

    69° / 38°

  7. Jul

    74° / 44°

  8. Aug

    73° / 43°

  9. Sep

    66° / 36°

  10. Oct

    52° / 29°

  11. Nov

    41° / 20°

  12. Dec

    33° / 14°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Allenspark 3nw, CO, 5.3 mi away at 8,500 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

The Cays is a climbing area in the Boulder Ranger District of the Arapaho and Roosevelt National Forests in Colorado, managed by the Forest Service. It sits within the Boulder Ranger District, about 5 miles from the town of Allenspark. Summer is the most comfortable time to visit. Typical averages from a nearby weather station at Allenspark show July highs around 74°F with lows near 44°F, while winter highs stay around freezing. Cays 3 lies just 0.1 mile away, and Punk Rock aka Poacher's Rock is about 0.7 mile off. For time on the water, Middle Saint Vrain Creek is about 2 miles away, and Peaceful Valley Campground is about 2.7 miles away.

Routes (2)

Keep exploring — more climbs worth the drive

Scarpa PizzoPhoto: Dave Snowden, CC BY-SA 2.0 (via Flickr)

Scarpa Pizzo

~1 min drive

Scarpa Pizzo in Colorado has 6 climbing routes with 3 difficulty grades in mixed, sport, and trad styles.

Black Dog WallPhoto: jamieotterbein, CC BY-SA 2.0 (via Flickr)

Black Dog Wall

~3 min drive

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Piz BadillePhoto: jamieotterbein, CC BY-SA 2.0 (via Flickr)

Piz Badille

~3 min drive

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South-southwest Face (aka Santa Rita Wall)Photo: jamieotterbein, CC BY-SA 2.0 (via Flickr)

South-southwest Face (aka Santa Rita Wall)

~3 min drive

South-southwest Face (aka Santa Rita Wall) in Colorado has 4 sport climbing routes on 4 difficulty grades.

Powerline AlcovePhoto: jamieotterbein, CC BY-SA 2.0 (via Flickr)

Powerline Alcove

~3 min drive

Powerline Alcove in Colorado has 8 routes across 5 grades, offering sport and trad climbing.

Cays 3

~0 min drive

Cays 3 in Colorado has 8 climbing routes across 6 grades, offering mixed and sport styles.

Punk Rock aka Poacher's Rock

~1 min drive

11-route climbing area in Colorado with mixed and sport climbing.

Mount Boner

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Mount Boner in Colorado has 9 sport climbing routes across 7 difficulty grades.

The Ironclads

~1 min drive

Ironclads, The in Colorado has 11 routes with mixed, sport, and trad climbing.

Ironsides

~2 min drive

Ironsides in Colorado has 11 climbing routes across 9 difficulty grades, featuring mixed, sport, and trad styles.