Answer: rafting

AnswerCrossword Clue
RAFTINGWhite-water fun
RAFTINGSummer adventure
RAFTINGGrand Canyon activity
RAFTINGHuck Finn's outdoor sport.
RAFTINGSport involving paddles
RAFTINGTraveling like Heyerdahl
RAFTINGWhitewater doing
raftingan activity of travelling by raft
raftingthe sport of traveling on rivers and streams by raft