Oct 11 1:30 PM - 3:30 PM AT24-356 NPSOT: F9 Purgatory Creek Natural Area – Lower Purgatory, San Marcos $95 – $190
Oct 11 1:30 PM - 3:30 PM AT24-357 NPSOT: F10 San Marcos Discovery Center Nursery Program & Arboretum Trail, San Marcos $95 – $190
Oct 11 1:30 PM - 4:00 PM AT24-355 NPSOT: F8 Meadows Center for Water & the Environment Walking and Boat Tour, San Marcos $9.00