First try to click on the “Get Directions” icon at the top of this page. If you are taking TheBus, click on the "Transit" icon at the top of the search bar. You may need to change the starting address to your current location. Clicking on TheBus link provided below will also take you to TheBus website. If driving from Waimanalo heading north on Kalanianaole Highway, turn left onto Kumuhau Street. Follow Kumuhau and turn right on Waikaupanaha Street. Shortly after you pass Mahiku Place, on your right, there will be a fence and a gate, also on your right. Park along the street and proceed through the break in the fence.
This dirt road continues up toward the Maunawili trail. The Maunawili Ditch starts about half way up on the right hand side of the road. Descriptions for route was provided by Stuart Ball, author of The Hikers Guide to Oahu and other hiking books.