Location: Limestone Canyon, Santa Ana Mountains, California Distance: 8.5 miles (loop) Peak Elevation: 1,385 feet Elevation Gain: 1,200 feet Difficulty: Moderate Caution: Mountain lions, rattlesnakes, ticks, poison oak The Irvine Ranch Conservancy (IRC) balances recreation and conservation within the Irvine Ranch Natural Landmarks. Thankfully, the great IRC volunteers lead guided hikes through the protected lands … Continue reading Limestone Canyon to Loma Ridge