Visit and Explore The Santa Cruz River is a unique resource in our community. Learn how to connect with this riparian habitat. 9 – 10:30 a.m., Today El Rio Preserve Nature Trek (November) 5 – 6:30 p.m., Today Walk and Talk at Tucson's Birthplace | Paseo En La Orilla Del Rio Santa Cruz 8 – 9 a.m., Nov. 23, 2025 Signs of the Season Phenology Walk November BIORETS Applications Open BIORETS applications are open! Application details Santa Cruz River Dispatches Connect with river stories from this month. River Dispatches Santa Cruz River Lessons Discover classroom activities inspired by the Santa Cruz River. Lessons and Activities Previous Next
