A difficult hike along Esperero Trail to the ridge, over four to five hours and 7 miles with an elevation gain of 1,200 feet, takes place at 8:30 a.m., Friday, Nov. 30; free. Children younger than 18 must be accompanied by an adult. Call 429-4492 for reservations and information about what to bring. Visit sabinonaturalists.org
for information about other, regularly scheduled Sabino Canyon hikes.