Superstar Slab
Near Riverside
- 13 routes
- 5.2 – 5.12a
- Sport · Trad · Bouldering
Best time to visit Superstar Slab
Best months: October–May. 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.
Jan
70° / 44°
7 wet
Feb
70° / 45°
7 wet
Mar
72° / 47°
6 wet
Apr
75° / 50°
4 wet
May
80° / 55°
2 wet
Jun
87° / 58°
1 wet
Jul
94° / 63°
1 wet
Aug
97° / 64°
0 wet
Sep
93° / 61°
1 wet
Oct
82° / 55°
2 wet
Nov
76° / 47°
3 wet
Dec
69° / 43°
5 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Riverside Citrus Exp, CA, 2.2 mi away at 986 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Superstar Slab is a climbing area in Mount Rubidoux Park in Riverside, California, on city-managed land. The park holds several named climbing spots within about a tenth of a mile, including Beach Boulder and Triangle Boulders, so it works as a compact stop for bouldering and short climbs. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show April highs around 75°F with lows near 50°F and October highs near 82°F. Summer is hot, with August highs averaging about 97°F. The Beach Wall is also close by, and the Park path is about 2.4 miles away for a walk. For paddling, Lytle Creek is roughly 9 miles off.
Keep exploring — more climbs worth the drive
Photo: nccmrm97, CC BY-SA 2.0 (via Flickr)Upper Accomazzo Boulders
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Upper Accomazzo Boulders in California has 5 bouldering routes across 4 grades.
Photo: nccmrm97, CC BY-SA 2.0 (via Flickr)John Long Boulder
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John Long Boulder in California has 6 bouldering routes with 6 difficulty grades.
Photo: nccmrm97, CC BY-SA 2.0 (via Flickr)Hardy Boy Area
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Hardy Boy Area in California has 6 routes with 6 difficulty grades, offering bouldering and sport climbing.
Triangle Boulders
~0 min drive
Triangle Boulders in California has 10 bouldering routes across 6 difficulty grades.
Beach Wall
~0 min drive
Beach Wall is a California climbing crag with 22 routes.
The Beehive Wall
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Beehive Wall, The in California has 14 bouldering routes on rock with 7 difficulty grades.
Mount Rubidoux
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Scenic California peak climbing with accessible routes for multiple skill levels.
Circle Crack Boulders
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Circle Crack Boulders in California has 6 bouldering routes across 5 difficulty grades.
Wall of Glass Area
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Smooth, technical face climbing on polished California rock.
Cross Rock Area
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Cross Rock Area in California has 6 climbing routes with bouldering pads, sport, and trad.
