Start: Junction with Cass Ridge Track.
Finish: Junction with Bush Road Track.
Time: One hour one way.
Toilets: Located at Sign of the Bellbird.
You can pick up O'Farrells Track after descending via the Cass Ridge. The southern end of the track leads to the boundary of Living Springs education centre.
Heading north, the grassy track gently sidles around the hillside above Governors Bay for 30 minutes, past the junction of the Bush Road and Kanuka tracks, before finishing where it meets private land. Kanuka forest briefly covers the track with views up to bush clad hills.
Take Bush Road Track to climb up to the Crater Rim Walkway and the Summit Road.
The tracks in Ohinetahi are managed by the Summit Road Society(external link). You can find maps and more information about the area on their website.