Colorado · Rock climbing · Estes Park

Unknown aka Birthday Crack

One of few routes catalogued at Fern Canyon Rocks, in the Before Rock of Ages sector.

5.11-
grade
Trad Gear
style

Is Unknown aka Birthday Crack open right now?

No closures listed

The National Park Service lists no closures for Rocky Mountain National Park.

As of · Source: NPS · Rocky Mountain National Park. Agencies don't list every closure — check before you go.

Best time to visit Unknown aka Birthday Crack

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, 10.8 mi away at 8,500 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Located in the Before Rock of Ages sector at Fern Canyon Rocks, this is one of the few routes catalogued at the crag.

Photo of the crag

Fern Canyon Rocks — the crag this route is on
Fern Canyon Rocks, Colorado — this photo shows the crag, not this individual route.Photo: lamblukas, CC BY 2.0 (via Flickr)

Keep exploring — more climbs worth the drive

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Rock Of Ages

~1 min drive

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Deer Mountain

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Hallett Peak - ice/mixed/snow

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Bear Lake TrailheadsPhoto: Michael Murphy, CC BY 2.0 (via Wikimedia Commons)

Bear Lake Trailheads

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Local businesses nearby

Outfitters and businesses near Estes Park. They haven’t set up their Roamze page yet.

Wildcat Mountaineering

Rock Climbing business nearby (~22 mi away) — hasn't claimed their Roamze page yet

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Movement Gyms

Rock Climbing business nearby (~30 mi away) — hasn't claimed their Roamze page yet

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Boulder Rock Club

Rock Climbing business nearby (~30 mi away) — hasn't claimed their Roamze page yet

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