We are no longer offering directions to this spot due to the eroding of the trail from too much foot traffic.
Personal Experience: San Diego's own Ho Chi Minh trail got its name in the 60's from UCSD surfers who would take the trail to the beach, infamously naming after the Ho Chi Minh Trail in Vietnam. This trail kind of goes hand in hand with Mushroom Beach, which is located in La Jolla, due to the strange nature-made formations that you will come across.
Be prepared for a mini adventure which is not necessarily safe. This trail is completely made of sandstone after all, which can crumble at any moment. It is never safe to explore this trail after a rainfall as the sandstone becomes far weaker and is more likely to come apart. People have been greatly injured here due to hiking after a storm. With that said, you can look forward to crawling down sand steps, walking across a plank and a climbing down rope to get to the beach. Are you ready?
There are pretty cool slot canyons here, offering an alternate route to the shore: