Poison oak is very common in within 20 yards of Escondido Creek. The oils that cause severe skin irritation remain on the leaves even after the plant has died. Therefore, it is very important to always use caution when in the vicinity of the creek.
Elfin Forest Recreational Reserve
8833 Harmony Grove Road
Escondido, CA 92029
1966 Olivenhain Road
Encinitas, CA 92024