Tahquitz Peak (or simply Tahquitz) is a granite, 8,846-foot-tall (2,696 m) rock formation located on the high western slope of the San Jacinto mountain range in Riverside County, Southern California, United States, above the mountain town of Idyllwild. Tahquitz has a steep approach hike (approximately 800-foot elevation gain in a half mile), leading to a roughly 1000-foot face.