Nelson Lakes 90 The Event A 90km circuit starting at finishing at St Arnard, Nelson Lakes The newest event on the Top of the South road cycling scene Starting at St Arnaud/Lake Rotoiti its downhill through the Tophouse Valley to Korere before heading over the Hope Saddle ( 634m ) for another left turn at Kawatiri Junction and back to the Lake. 90kms is the distance and you can ride it as an indivual or pair up with a mate and pedal it in a team Ride as an individual or relay team with designated changeovers at Korere and Kawatiri.