California · Rock climbing · Clayton

Lower Tier

Lower Tier in California has 14 climbing routes across 7 grades, offering mixed, sport, and trad styles.

Lower TierPhoto: Dan Harrelson, CC BY 2.0 (via Flickr)
14 routes
5.7 – 5.12a/b
Sport · Mixed · Trad

Best time to visit Lower Tier

Best months: February–November. 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

    54° / 42°

    11 wet

  2. Feb

    55° / 42°

    11 wet

  3. Mar

    58° / 43°

    10 wet

  4. Apr

    62° / 44°

    7 wet

  5. May

    68° / 49°

    4 wet

  6. Jun

    76° / 55°

    1 wet

  7. Jul

    82° / 62°

    1 wet

  8. Aug

    83° / 61°

    0 wet

  9. Sep

    80° / 60°

    1 wet

  10. Oct

    72° / 54°

    4 wet

  11. Nov

    60° / 46°

    7 wet

  12. Dec

    53° / 41°

    11 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Mt Diablo Junction, CA, 2.2 mi away at 2,170 ft. The station sits about 700 ft higher than this place, so expect it a little warmer here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Lower Tier is a climbing area in Mount Diablo State Park in California, managed by State Park and Recreation. It sits within the park's network of climbing zones, with other climbing areas and trails close by. The most comfortable time to visit is late spring or early fall. Typical averages from a nearby weather station show May highs around 68°F and October highs around 72°F, with only a few wet days in each month. Midsummer runs warmer, with August highs near 83°F, and winter brings about 11 wet days a month. Middle Tier and Upper Tier lie about 0.1 mile away, as does Butt Rock. Madrone Canyon Trail starts just as close, and Devil's Slide Trail is about 0.4 mile off.

Routes (14)

Keep exploring — more climbs worth the drive

Middle TierPhoto: Dan Harrelson, CC BY 2.0 (via Flickr)

Middle Tier

~0 min drive

Middle Tier in California has 9 climbing routes across 7 grades, offering mixed and sport climbing.

Butt RockPhoto: Dan Harrelson, CC BY 2.0 (via Flickr)

Butt Rock

~0 min drive

Butt Rock in California has 5 sport climbing routes across 4 difficulty grades.

The Rock of AgesPhoto: @bastique, CC BY-SA 2.0 (via Flickr)

The Rock of Ages

~7 min drive

Rock of Ages, The is a sport climbing crag in California with 5 routes.

Flintstone RockPhoto: @bastique, CC BY-SA 2.0 (via Flickr)

Flintstone Rock

~7 min drive

Flintstone Rock in California has 5 sport climbing routes across 4 difficulty grades.

Mammoth RockPhoto: @bastique, CC BY-SA 2.0 (via Flickr)

Mammoth Rock

~7 min drive

Mammoth Rock in California offers 5 climbing routes across 3 difficulty grades, with sport and trad options.

Pine CanyonPhoto: MARELBU, CC BY 3.0 (via Wikimedia Commons)

Pine Canyon

~7 min drive

Pine Canyon in California has 16 climbing routes across 11 grades, offering mixed, sport, and trad styles.

Deliverance RockPhoto: albategnius, CC BY-SA 2.0 (via Flickr)

Deliverance Rock

~7 min drive

Deliverance Rock in California has 6 sport climbing routes across 6 difficulty grades.

Pinnacle RockPhoto: Tbo47, CC0 (via Wikimedia Commons)

Pinnacle Rock

~32 min drive

Pinnacle Rock in California has 10 routes across 9 grades, offering bouldering and sport climbing.

Cragmont ParkPhoto: albategnius, CC BY-SA 2.0 (via Flickr)

Cragmont Park

~32 min drive

Cragmont Park in California has 3 bouldering routes.

BerkeleyPhoto: kevin dooley, CC BY 2.0 (via Flickr)

Berkeley

~33 min drive

Berkeley, California has 4 climbing routes with 3 difficulty grades.