Main Rock
- 13 routes
- 5.4 – 5.10c
- Top Rope · Trad · Bouldering
- Apr–Jun, Sep–Nov
- best months
Clear at last check
Weather is good · OpenWeather · checked 19 h ago
Main Rock is a climbing area in the Wissahickon Valley, on county land in Pennsylvania. It sits right alongside Livezey Rock, just 0.1 mile away, and within a short walk of McCallum Boulders and the White Trail mountain biking route. The area has 13 climbing routes, with grades ranging from YDS 5.4 up to 5.10c. Among the top rope options are The 5.8, also known as the Pennsylvania Turnpike, and The 5.9, also known as New Frontier. The boulder route Lammy Pi is listed at 5.10c. Spring and fall are the most comfortable times to climb. Typical averages from a nearby weather station show May highs around 76°F and October highs around 68°F, while July averages climb to about 89°F.
Livezey RockRock climbingPhoto: Quincy Morgan, CC0 (via Wikimedia Commons)0.1 mi- White TrailMountain biking0.1 mi
Devil's Pool BoulderRock climbingPhoto: Molly Des Jardin, CC BY 3.0 (via Wikimedia Commons)0.3 mi- Yellow TrailMountain biking0.5 mi
- McCallum BouldersRock climbing0.5 mi
- White Trail;Orange TrailMountain biking0.6 mi
- Wissahickon Valley ParkRock climbing0.7 mi
- Tidal Delaware River Water TrailCanoeing8.2 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Livezey RockRock climbing · Next doorPhoto: Quincy Morgan, CC0 (via Wikimedia Commons)
Devil's Pool BoulderRock climbing · Next doorPhoto: Molly Des Jardin, CC BY 3.0 (via Wikimedia Commons)
Valley GreenRock climbing · ~1 min drivePhoto: Molly Des Jardin, CC BY 3.0 (via Wikimedia Commons)
The Thorny BoulderRock climbing · ~1 min drivePhoto: Molly Des Jardin, CC BY 3.0 (via Wikimedia Commons)- McCallum BouldersRock climbing · Next door
- Wissahickon Valley ParkRock climbing · ~1 min drive
- The Picnic BoulderRock climbing · ~2 min drive
- The Cleaver BoulderRock climbing · ~2 min drive
- Dueling Snakes WallRock climbing · ~2 min drive
- Cresheim ValleyRock climbing · ~2 min drive
Best time to visit Main Rock
Best months: April–June and September–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.
Jan
42° / 28°
11 wet · 3 snow
Feb
45° / 30°
9 wet · 2 snow
Mar
53° / 36°
10 wet · 1 snow
Apr
66° / 46°
12 wet
May
76° / 56°
12 wet
Jun
85° / 66°
11 wet
Jul
89° / 71°
10 wet
Aug
87° / 70°
9 wet
Sep
80° / 63°
9 wet
Oct
68° / 51°
9 wet
Nov
56° / 41°
9 wet
Dec
46° / 33°
11 wet · 1 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Phila Franklin Inst, PA, 6.5 mi away at 60 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.