In Bandar Seri Begawan, Brunei Darussalam, it is easy to arrange to view the monkeys and other wildlife on the river - such as otters, sea eagles, water monitors. Contact one of the local experts who will know the places to visit. Suggestions are:
Haji Tarsat 8874405 and Haji Besar 8632268.

Enjoy the mysterious mangroves.

A return trip at sunset can be spectacular.