Zipline / Ropes / Caving in Hawaii

If you’re craving a little adrenaline during your Hawaii trip, the islands have some seriously cool ziplines, ropes courses, and caves to explore. Oahu isn’t just about Waikiki and surfing , try the zipline over Kualoa Ranch for lush views of the Koolau mountains and secret valleys few tourists see. And on the Big Island, there’s the epic zipline tour right near Volcanoes National Park, where the contrast between tropical forest and hardened lava fields makes for a wild backdrop.

Caving in Hawaii’s lava tubes is another adventure that can totally surprise you. The Kaumana Caves on the Big Island offer a raw, underground maze where you can scramble through basalt formations. Just bring a good headlamp , and maybe borrow some grippy shoes if you don’t want to slide around on the slick lava. And if ropes courses are more your thing, try the ones on Maui or Kauai that twist through native forest canopies. Be prepared for sudden rain showers though; Hawaiian weather can shift fast, especially in the mountains.

Pro tip: Book your zipline tours early, especially in the winter, since they fill up quick with locals and visitors alike. Also don’t overlook smaller outfits near Hilo or up on Kauai’s North Shore , they’re often just as good, less crowded, and more relaxed about scheduling. Oh, and hey, pack a water bottle and wear sunscreen , the sun hits hard even when you’re zipping through shade or spelunking underground.