Guided Nature Hikes on Saturday, September 12, 2026 at Houston Arboretum & Nature Center (Outdoors). Cost: Free. Best for: preschool, school-age. from Select Saturdays (weather permitting) 10:00 am – 10:45 am and 11:00 am – 11:45 am Free All ages, minors must be accompanied by an adult Hikes are lim