Colorado · Rock climbing · Estes Park

The Lost World

Lost World in Colorado has 7 climbing routes with 6 difficulty grades, offering mixed and trad styles.

7 routes
5.6 – 5.10b/c
Trad · Mixed

Is Lost World, The open right now?

Closure in the area

There's a closure order in Rocky Mountain National Park. It doesn't name Lost World, The, so check the source for the area it covers.

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

Best time to visit The Lost World

Best months: June and 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

    30° / 4°

    14 wet · 14 snow

  2. Feb

    34° / 6°

    13 wet · 12 snow

  3. Mar

    42° / 14°

    12 wet · 9 snow

  4. Apr

    49° / 20°

    11 wet · 6 snow

  5. May

    59° / 28°

    12 wet · 2 snow

  6. Jun

    71° / 34°

    11 wet

  7. Jul

    76° / 40°

    14 wet

  8. Aug

    73° / 38°

    15 wet

  9. Sep

    68° / 32°

    12 wet · 1 snow

  10. Oct

    55° / 23°

    10 wet · 4 snow

  11. Nov

    40° / 13°

    11 wet · 9 snow

  12. Dec

    30° / 5°

    14 wet · 13 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Grand Lake 1 Nw, CO, 11 mi away at 8,720 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

The Lost World is a climbing area in Rocky Mountain National Park, within the Rocky Mountain National Park Wilderness, on land managed by the National Park Service. It sits in the park's backcountry, and a fee is charged for visits. Summer is the most comfortable time to go. Typical averages from a nearby weather station at Grand Lake show July highs around 76°F with lows near 40°F, while winter brings highs around 30°F and frequent snow days from December through February. Rock Of Ages, a climbing area, is just 0.1 mile away, and the Cub Lake Trail starts about 0.2 mile off. Fern Canyon Rocks, another climbing area, is roughly 0.8 mile away. For an overnight stay, Rocky Mountain National Park Moraine Park Campground is about 3 miles away.

Routes (7)

Facts about this crag

Rules & access

Fee
Yes

Source: National Park Service API

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