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Sunol Regional Wilderness Nature Challenge 2018!

  • Old Green Barn Visitor Center Geary Road Fremont, CA, 94539 United States (map)

Which city has the most nature? More than 75 cities on six continents are participating to document species they find. Help the Bay Area win this year! 

Registration is required. Lunch provided. For info call 510-544-3249. 

Download the free iNaturalist app at before coming to the event; there is no internet service in the park.

Registration is required. Adult participation is required for kids under age 13. $5 Parking fee may apply. 

From the Fremont area: Drive north on I-680 and exit at Calaveras Rd. Turn right on Calaveras and proceed to Geary Rd, which leads directly into park. 

From the Oakland/Berkeley area: Drive east on I-580 to the junction with I-680 in Pleasanton. At the junction, go south on I-680 and exit at Calaveras Road/Highway 84 just south of the town of Pleasanton. Turn left onto Calaveras Road and proceed to Geary Road, which leads directly into the park.

Earlier Event: April 28
Presidio Nature Challenge
Later Event: April 28
UCSC Bioblitz 2018