The Tucson Orienteering Club meets the third Sunday of the month at various locations. The next meet is April 20 and 21 at Slavin Gulch in the Dragoon Mountains. Bring a compass and whistle. Call 742-6455 for information. Join Southwest Center for Biological Diversity naturalists for walks through Tucson's nearby riparian treasures.
Experts answer questions on ecology, birds, plants, herbs and fish.
The effects of different land management policies on riparian resources is also discussed. All walks are free, and meet at 9 a.m. on the first and second Sunday of each month. The next walk is Sunday, April 14. Call 733-1391 for locations and information. Individual, group and corporate rates are available.