Travel tips
Visitor Tips & Guides
Read our practical guides to prepare for your Wailua River experience.
Ticket PricingCurrent 2026 prices for Fern Grotto boat tours and state park fees.Read 
Kayaking GuideRules, rentals, and routes for kayaking the Wailua River.Read 
Morning vs AfternoonFind the best time of day to take the Wailua River cruise.Read 
Accessibility GuideFind out if you can bring a wheelchair or stroller to the Fern Grotto.Read 
Grotto vs Secret FallsCompare the relaxing river cruise with the muddy kayak and hike.Read Packing GuideFind out exactly what to wear and pack for the Wailua River cruise.Read