Guided Mountain Hike

Take a close look at unique ecology and see how outcrop plants scrape out a living in this environment. Wear hiking shoes and bring water. Register in advance. April 28, 1-4 p.m. May 4 and 25, 9 a.m.-noon.; May 12, 1-4 p.m. Ages 10 and older. $10; parking, $5.