OUTDOORS BIODIVERSITY WALKS. The Southwest Center for Biological Diversity offers "biodiversity walks" at 9 a.m. every first and third Sunday of the month. Join Center staff and expert guests for a walk along Cienega Creek. Learn about the importance of riparian habitats for wildlife and water quality, and the implications of grazing management. Expect a two-mile walk lasting two to three hours. Don't forget your hat and water. Call David Hogan at 733-1391 for reservations and directions. DESERT ARCHAEOLOGY TOURS. The Center for Desert Archaeology offers whole and half-day tours of local archaeological treasures including: The Romero Ruin Tour, a look at the remnants of the four great cultures that once inhabited the Catalina State Park area; the Rock Art Tour offers hikers a chance to visit fascinating petroglyph sites near Tucson and discover some of the theories on their meaning; or The Downtown Tucson Tour, where you can experience over 30 centuries of history from prehistoric villages, to the O'odham settlement, and walls of the Spanish Presidio. Half-day tours are $40, full-day treks are $70, with special group rates available for groups of three to 45 people. Wear long sleeve clothing and a hat, and make sure you've got sturdy shoes with ankle support and good traction. Water will be provided. Call 881-2244 or 885-6283 for information. NATURE CONSERVANCY. Get out of the bustle of town and take a trip to the Nature Conservancy's Patagonia-Sonoita Creek Visitor Center. There you can get back to nature and enjoy bird watching, guided tours and hikes. Regular preserve hours are 7:30 a.m. to 4 p.m. Wednesday through Sunday. Take Highway 82 to Patagonia, head west on Fourth Avenue, and south on Pennsylvania. Call (520) 394-2400 for information. TOHONO CHUL PARK. 7366 N. Paseo del Norte. 742-6455. Tohono Chul Park grounds are open from 7 a.m. to sunset daily. Exhibit hours are 9:30 a.m. to 5 p.m. Monday through Saturday, 11 a.m. to 5 p.m. Sunday. Admission is $2. Enjoy a Walk in the Park tour at 8 a.m. Tuesday and Saturday. Art in the Park tours, docent-guided looks at gallery exhibits, are at 11 a.m. Thursday and Sunday. The park offers additional guided tours for your enjoyment. Call 742-6455 for park information and daily events schedule.

		© 1995-97 Tucson Weekly . Info Booth