Your guide briefs you at the office on safety and handling before you set off — no experience required, but you must be 18 or older.
From there it's solo riding across frozen lakes, through snow-laden forest and over open swamp and fell, covering 50 kilometres of terrain that shifts between flat-out ice, technical turns through the trees and cresting hills.
Halfway through, the group stops, engines off, for a hot drink and a snack before continuing the ride back to the office.