Ride up Jeronimo towards Olympiad. Ride up on the southern path up then down the side next to Jeronimo on the downhill. Then at the end of the asphalt at Arbolitos street, turn around and reclimb Jeronimo on the left path. Go left at Olympiad about 200 yards then a hard right on the dirt road. Take it till the skate park, turn around and return on the opposite path down to Marguerite.