City Nature Challenge 2026
Schedule
Fri, 24 Apr, 2026 at 12:00 am to Mon, 27 Apr, 2026 at 11:59 pm
UTC-05:00Location
San Antonio River Authority | San Antonio, TX
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🌿 Join the San Antonio River Authority in the 2026 City Nature Challenge April 24th - 27th!🙌 The City Nature Challenge, a global effort to find and document biodiversity in our area. It’s an opportunity to appreciate the plants and wildlife found in our region and help the River Authority gather valuable data about our waterways!
🌊 Using the FREE iNaturalist app, participants from across the San Antonio Metro Area - A 12 County Region - contribute observations and identifications that support conservation.
📍 Participating Counties: Atascosa, Bandera, Bexar, Comal, Gillespie, Goliad, Guadalupe, Karnes, Kendall, Kerr, Medina, and Wilson!
🔗 Visit https://cnc-sa.org/ for more info on how to join the project and download the iNaturalist app!
🔎 Join the project here: www.inaturalist.org/projects/city-nature-challenge-2026-san-antonio-metro-area
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Where is it happening?
San Antonio River Authority, 100 E Guenther St, San Antonio, TX 78204-1401, United StatesEvent Location & Nearby Stays:
Know what’s Happening Next — before everyone else does.
