Raise your heart rate and your spirits on this strenuous, fast-paced, 5.5-mile hike over steep and uneven terrain (900-ft. elevation gain) led by Laguna Canyon Foundation volunteers in partnership with OC Parks. Ages 15 and older. Laguna Coast Wilderness Park, James Dilley Preserve (I-5 or 405 south to 133 south to stoplight at 73 toll road; and make a U-turn, go 1 block. Dilley is on the right.) Online reservations required: www.lagunacanyon.org/activities. For questions, call: 949-497-8324 Mon-Fri; 949-923-2235 Sat/Sun. Parking: $3.