From East Bay Regional Park District:

RADKE MARTINEZ REGIONAL SHORELINE - Martinez Shoreline features nice level trails, meandering marsh creeks, and lots of birds. Enjoy a gentle morning walk with community, learn about the role and importance of wetlands and enjoy observing their wonderful and unique flora and fauna.

Meet at the parking lot off N. Court St.

Radke Martinez Shoreline (Martinez): Parking lot off N. Court St.

https://goo.gl/maps/Dk3JW

No-registration required; Drop-in Program only.

For more info, visit: https://anc.apm.activecommunities.com/ebparks/activity/search/detail/55994?onlineSiteId=0&from_original_cui=true