Complex sentence: Its large granite exposures offer rock climbers an experience similar to that provided by the granite rocks of the Sierra Nevada Mountains, Yosemite, North Carolina, and New Hampshire--it boasts splitter cracks, dihedrals, and crystal pinching slabs.
Split into simpler sentences: Its large granite exposures offer rock climbers an experience similar to that provided by the granite rocks of the Sierra Nevada Mountains, Yosemite, North Carolina, and New Hampshire. It boasts splitter cracks, dihedrals, and crystal pinching slabs.