Volunteer Field Trip Leaders Anyone who has led a TAS field trip since last May is invited to spend a morning birding with professional tour guide Chris Benesh. Mark on your calendar. Buenos Aires National Wildlife Refuge is open 24 hours. Brown Canyon tours and slide programs at headquarters are available by reservation. Admission is good for 7 days from date of purchase.
Annual passes are available.
Sabino Canyon in Coronado National Forest is open 24 hours.