Land Owner: Nelson City Council
Trail Manager: NMTBC
Marsden Valley Reserve tracks. Grunty climb up Glider (aka Barnicoat) Road to the firebreak. Choice of continuing up Widdershins to ride Involution, or dropping back down the firebreak or Convolution track. At the top of Widdershins you are on the Barnicoat Range ridge top which connects to other areas.