Picture yourself indulging in breathtaking riverscapes as you cruise down one of Asia's most vibrant waterways.

You could win a trip travelling from Cambodia to Vietnam on an unforgettable river voyage downstream from Siem Reap to Saigon, simply by signing up to newsletters from The Senior and Explore.

Wendy Wu's Mighty Mekong Cruise is an 11-day experience of captivating cultures across two countries on exclusive shore excursions, and includes seven nights aboard one of the river's newest ships.

The highlights are extensive, including visiting wooden stilt houses in Angkor Ban, the elegant Raffles Hotel LeRoyal, Royal Palace and Silver Pagoda complex in Phnom Penh, and the mesmerising Long Xuyen floating market.

To enter the draw, sign up to receive free e-newsletters from The Senior plus Explore, ACM's travel publication.

Visit the signup form at thesenior.com.au/giveaway/wendywu, fill in your details and start enjoying the new content. Current e-newsletter subscribers can also enter at the link above.

The prize is for two people twin share and has a maximum retail value of $12,998.

The full terms and conditions are found at the bottom of the signup form here.