Last weekend before Castle Rock closes for Peregrine mating season
CONTRA COSTA COUNTY, CA (Jan. 27, 2022) — As is the case every year, the
Castle Rock
Explore East Bay Parks with the whole family over winter break
SAN FRANCISCO EAST BAY, CA (Dec. 19, 2021) — The end of December is a
So This Happened…Week of Jan. 25-31
CONTRA COSTA COUNTY—What could have ended in tragedy turned into a triumph for the Clayton
Protected falcons hatched no chicks at Castle Rock last year, nesting area closed until Aug.
WALNUT CREEK, CA—It’s time once again for the annual reminder that the Castle Rock formation
Walnut Creek’s Castle Rock back open for superb climbing
Peregrine falcon nesting season is over, so the Castle Rock formations within Mount Diablo State