12 green sand zones where olivine crystals glow against Pacific blue on a 5 mile hike
Walking 5.5 miles across lava-carved coastal roads sounds brutal until you glimpse the reward: America’s only green sand beach. Papakōlea sits tucked inside a 49,000-year-old cinder cone where olivine crystals create emerald shores found in just four places worldwide. This January, while most Hawaii beaches swarm with crowds, the challenging hike keeps visitor numbers near … Lire plus









