Pennsylvania · Rock climbing · Philadelphia

Main Rock

Main RockPhoto: Quincy Morgan, CC0 (via Wikimedia Commons)
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.