MORE: Incredible satellite imagery shows never-ending parade of storms that hit CA for 6 straight days
The concrete structure slid down a rain-soaked bluff, according to a post on social media by the Golden Gate National Recreation Area.
No injuries were reported, but visitors are urged to follow posted trail signs and be attentive to their surroundings.
VIDEO: Here's before-and-after look at hardest-hit areas in Capitola, Santa Cruz
Kindred Surrogacy in Clovis will soon offer hope to local families who want to have a baby
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