Kayaking & Canyoning thru the highlands.
Leave Saigon Friday 4:50pm returning Sunday 7:15pm.

Kayaking US$33 (650,000vnd)
Canyoning US$31 (600,000vnd)

Return Flight 1,526,000vnd

Accommodation.. I was thinking twin rooms, 2 nites at Du Parc Hotel US$48 (950,000vnd) per nite.
Mel has suggested a cheaper alternative at Dreams Hotel US$25 (500,000vnd) per nite.

Rough total.. not including food'n'booze 3,726,000vnd