Turn off Koolau Rd. on the ocean side.  Look for a bright red and blue address sign with 10 addresses.

 

Drive down the concrete driveway through the tree tunnel.  Go past the first gravel driveway on your right.  Just after the bend in the road you will see a 2 car parking spot on your right. If these spots are taken, you can continue on and park on the grassy side of the road.