MICHAEL Carew is set to traverse 2300 kilometres worth of Murray River next month on a watercraft not often seen in this neck of the river.

With a three-person crew, the 65-year-old will tackle the diverse river on-board a jetski with the hopes of raising $50,000 for the local community.

The Murray River Jet Ski Marathon was an idea that grew from a successful cross of Bass Strait (Wilson's Prom...