Colorado · Rock climbing · Estes Park

Woodstone, Half & Half, and Slot Rock

3-route climbing area in Colorado with sport and trad options.

3 routes
5.5 – 5.12c/d
Sport · Trad

Is Woodstone, Half & Half, and Slot Rock open right now?

Alert in the area

The Forest Service lists 4 alerts for Canyon Lakes Ranger District.

As of · Source: USFS · Canyon Lakes Ranger District. Agencies don't list every closure — check before you go.

Best time to visit Woodstone, Half & Half, and Slot Rock

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. The station sits about 1,500 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Woodstone, Half & Half, and Slot Rock is a climbing area in Colorado's Canyon Lakes Ranger District of the Arapaho and Roosevelt National Forests. The Forest Service manages the land. The area includes three named spots: Woodstone, Half & Half and Slot Rock. Woodstone and Sharksfin are both within a tenth of a mile, making it easy to pair them in a single visit. Climbers looking for a route can pick from three in total, with styles covering sport and trad climbing. The grades run from 5.5 up to 5.12c/d, with Point of Honor at 5.5 as the easiest, and Purple Heart at 5.12c/d as the hardest. July is the warmest month, with typical highs around 74°F and lows near 44°F, according to averages from a nearby weather station at Allenspark. That station sits well below the climbing area, so temperatures on the rock run cooler. The nearest town is Allenspark, about 5 miles away. Close by, Twin Sisters Peaks and Wind River Pass Trail are both about 0.7 miles off. Rocky Mountain National Park Glacier Basin Campground is about 4 miles away, and Glacier Creek offers canoeing about 5 miles out.

Keep exploring — more climbs worth the drive