New Mexico · Rock climbing · Tres Piedras

Mosaic Rock

Mosaic Rock in New Mexico has 37 climbing routes across 19 grades.

37 routes
5.6 – 5.12-
Trad · Sport · Mixed

Is Mosaic Rock open right now?

Alert in the area

The Forest Service lists 2 alerts for Carson National Forest.

As of · Source: USFS · Carson National Forest. Agencies don't list every closure — check before you go.

Best time to visit Mosaic 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

    38° / 8°

  2. Feb

    41° / 12°

  3. Mar

    50° / 20°

  4. Apr

    59° / 26°

  5. May

    66° / 33°

  6. Jun

    79° / 43°

  7. Jul

    81° / 48°

  8. Aug

    78° / 47°

  9. Sep

    72° / 40°

  10. Oct

    62° / 29°

  11. Nov

    48° / 18°

  12. Dec

    38° / 10°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Tres Piedras, NM, 0.9 mi away at 8,139 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Mosaic Rock is a climbing area in the Tres Piedras Ranger District of Carson National Forest in northern New Mexico, managed by the Forest Service. It sits among a cluster of named climbing areas, with North Rock, South Rock and West Rock all about 0.1 mile away. The area has 37 routes, with trad climbing the most common style. The YDS grades run from 5.6 up to 5.12-, with the median around 5.10a/b. Sport routes include Fine Little Line at 5.11a and Ocho Diamentes (Tech-No-Star) at 5.12-. Trad routes such as Better Red Than Dead at 5.10b and Five Years After at 5.9 round out the options. Summer is the most comfortable time to climb. Typical averages from a nearby weather station at Tres Piedras show July highs around 81°F with lows near 48°F, while winter highs stay in the upper 30s. Tres Piedras RD, a lake fishing spot, is about 1.1 miles away, and the Tusas Loop hike is about 2.5 miles off.

Routes (37)

Mamma GnammaFA: Chuck Calef5.10Unknown (Left of Baby Cakes)5.10+BienvenidosFA: Holthouse?5.10a/bBlack StreakFA: Holthouse?5.10a/bDoctor Yousuf's GangFA: Randy and Nuala Judycki5.10a/bThresholdFA: Andrew Rippy and Randy Judycki5.10a/bBetter Red Than DeadFA: Bruce Holthouse5.10bSeaman Girl5.10bBleeds No More5.10b/cSerpent FaceFA: Bruce Holthouse5.10cWalking Dread5.10dHolthouse In A HaulbagFA: 1985 Paul Horak, David Baltz, Mark Leonard5.11Holthouse to HellFA: FA: Bruce Holthouse (ground-up rope solo aid), FFA: Dave Jones5.11-TechtonicsFA: Todd Bibler5.11+TechweenieFA: Lee Sheftel and Doug Couleur5.11+Fine Little LineFA: Randy Judycki and Andrew Rippy5.11aTo Bolt on Lead or Not to Bolt (TBOL)FA: Doug Couleur, Lee Sheftel5.11cDirty Black Nightmare5.11dOcho Diamentes (Tech-No-Star)FA: Doug Couleur / Lee Sheftel5.12-Dirty Diagonal5.6Chicken Heads5.7Chicken Shit5.7Rite of Summer Dreams5.7Summer Dreams5.7Areted Development5.8Baby Cakes5.8Dung Alley5.8Fried Chickens5.8Mama Jugs5.8Serpentine Crack5.8Suprise-SupriseFA: ?, pre-19815.8Clean Green DreamFA: Bruce Holthouse, 19795.9Cryin' in the RainFA: pre-19815.9Five Years After5.9Forever and a DayFA: Unknown (FA info needed)5.9Jug or NotFA: First Recorded Ascent (FRA): Randy Judycki, Nuala Judycki and Hanna Judycki5.9+MSMACITU (Matt Samet, Most Awesome Climber In The Universe)FA: Matt Samet and Spike Lynch5.9+