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Summit

Castle Rock

Colorado

About

Castle Rock is a summit of 10,432 feet in the Columbine Ranger District of the San Juan National Forest in Colorado, about 12.5 miles from the town of Rico. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Silverton put July highs around 75°F with lows near 38°F, though temperatures on the summit run cooler than that station's figures. Winter is cold, with January highs around 34°F and lows near -6°F. The Castle Rock Trail starts just 0.1 mile away, and the Elbert Creek hike is about 0.7 mile off. Climbers can head to Power House, about 1.1 mile away, and Sig Creek Campground sits about 3.6 miles from the summit.

Summit Facts

Summit elevation

10,432 ft

Elevation from USGS 3D Elevation Program terrain data (about 10 m resolution).

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Location

Castle Rock

Colorado

Name and location: U.S. Geological Survey, Geographic Names Information System (GNIS). Elevation: USGS 3D Elevation Program. View the GNIS record.

Facts about this place

When to go

Best time to go: Jun–Sep. The mildest months here, with typical highs of 66–75°F and lows of 30–38°F.

Typical monthly averages (not a forecast) from the Silverton, CO weather station, 17 mi away. High / low in °F.

  1. Jan34° high-6° low
  2. Feb36° high-3° low
  3. Mar43° high6° low
  4. Apr48° high17° low
  5. May58° high25° low
  6. Jun70° high31° low
  7. Jul75° high38° low
  8. Aug72° high37° low
  9. Sep66° high30° low
  10. Oct55° high20° low
  11. Nov43° high7° low
  12. Dec34° high-5° low

The station sits about 1,100 ft lower than this spot, so expect it to run cooler up here.

Source: NOAA NCEI U.S. Climate Normals 1991–2020

Where it is

Nearest town
Rico, Colorado · 13 mi

Source: USFS EDW boundaries; USGS GNIS populated places

Conditions

Active alerts for Columbine Ranger District as of Oct 9, 2026:

Source: USFS forest alerts

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)

    Castle Rock — Summit in Colorado | Roamze