I have been walking, running, mediating, laughing and training for a marathon along this trail for years. A perfect balance of inclines and flatness with ocean views to captivate your soul even when you are begging to get down the mountain all ready. The Santa Monica mountains are a criss cross into Topanga and Malibu. Just make sure you remember which trail you followed. You could easily end up in the valley if you make a wrong turn.