Answer: rapids

AnswerCrossword Clue
RAPIDSTippy canoe area
RAPIDSPart of the Niagara River.
RAPIDSRiver hazard.
RAPIDSTreacherous waters.
RAPIDSAusable Chasm feature.
RAPIDSWhite water strongpoint.
RAPIDSHazard for river boats
RAPIDSNiagara feature
RAPIDSGrand or Cedar
RAPIDSNiagara Falls feature
RAPIDSWhat some adventurers shoot
RAPIDSCedar ..., Iowa
RAPIDSWhite-water producers
RAPIDSWhite water feature
RAPIDSCanoeist's danger
RAPIDSGrand ....
RAPIDSArea of danger
RAPIDSWhitewater part of a stream
RAPIDSRafting area
RAPIDSRafter's challenge
RAPIDSFrothy water area
RAPIDSRafting thrill
RAPIDSRaging waters
RAPIDSFast waters
RAPIDSThey're shot in rafts
RAPIDSKayaker's challenge
RAPIDSWater hazards
rapidsA fast-flowing and turbulent part of the course of a river
rapidsRAPID, a fast-moving part of a river
RAPIDSFrothy water
RAPIDSCurrent location?
RAPIDSShooting site?
RAPIDSWhite water
RAPIDSIowa's Cedar ..
RAPIDSShooting locale?
RAPIDSRafters shoot them
RAPIDSGrand ..., Michigan
RAPIDSDaredevil rafter's challenge
RAPIDSWhite water site
RAPIDSCanoeist's challenge