Mt Vernon Gorge Track & Cave Hut is a walking track in the Port Hills at Albert Terrace in St Martins, Christchurch, rated 4.4 on Google from 20 reviews. Visitors mention a forest setting, rocks in the river and a track that suits children, though it can be muddy in winter.
Mt Vernon Park is a recreation area managed for conservation, with entrances from several streets, including Albert Terrace and Hillsborough Terrace. The main carpark gates are open from 7am to 7pm all year. Volunteers run planting days and help with the park's restoration.
For walkers in St Martins who want a forest walk on the Port Hills, this Albert Terrace track is a good escape close to town.