About 2,000 acres of thick bushy growth typical of pre-cultivation days which preserves and protects wildlife and plant species, many found nowhere else in the US. Rare birds prominent during winter. Interpretive wildlife trams operate late Nov thru mid-Apr (admission). Private vehicles use seven-mile wildlife drive. Walk-throughs during daylight hours; one of three self-guided tours for handicapped. Closed holidays. 7.5 miles S of Alamo.