From Rte 287: Exit at Hartsdale, exit #4. Go South on 100 A (Hartsdale Ave) for 1 mile. At third light, turn right onto Dobbs Ferry Rd (100B). Texaco Station at the corner. Proceed 1/2 mile, past the enterance / exit to Sprain. Rumbrook Park entrance just past second exit for the Sprain.
