These natural tide pools carved into West Maui's rugged lava coastline are studded with green olivine crystals that sparkle in direct sunlight. The dramatic scenery along Kahekili Highway near Mile Marker 16 feels genuinely wild — think raw black lava formations, crashing waves, and sweeping views to Molokai. There's even a large blowhole nearby.
Getting down requires scrambling over uneven lava rock (proper hiking shoes absolutely essential — no flip flops!), and the climb back up is tougher than the descent. The pools themselves are deep with lots of marine life, but this is strictly look-don't-touch territory. Waves can sweep over the rocks without warning, and several people have lost their lives here. Only visit during calm conditions, ideally May through September, and time it with low tide for the best (and safest) experience.
💡 Insider Tip
Only attempt this May-September when seas are calmer, and check tide charts — low tide is essential. Wear proper hiking boots, not flip flops. The olivine crystals are most visible in direct sunlight, so plan for midday visits on calm days.
Open 24 hours (daylight only recommended)
Free
Pullout on Kahekili Hwy near MM 16
Calm days only, morning light






