Arikok National Park

Arikok National Park protects roughly 18% of Aruba, a vast sweep of cactus desert, volcanic hills, and dramatic windward coastline in the island's rugged interior and northeast. This is the wild counterpoint to the calm leeward beaches: rocky trails wind past tall cadushi cactus, wind-bent divi-divi trees, ancient caves, and abandoned gold-mine ruins, with the open sea crashing against cliffs that are far too rough for swimming.

The park's headline draw is the Natural Pool (Conchi), a sheltered tidal pool ringed by lava rock where you can swim while waves break just beyond the rim. Reaching it means a rough four-wheel-drive track or a guided jeep safari through Arikok, part of the adventure. Elsewhere the park holds the wild beaches of Dos Playa and Andicuri, prized by surfers and photographers but unsafe for casual bathing.

Caves, wildlife and trails

Fontein Cave and Quadirikiri Cave shelter Arawak rock drawings and roosting bats, while the limestone landscape supports the Aruban whiptail lizard, the cascabel rattlesnake, the kododo blue lizard, and the endemic Aruban burrowing owl, locally called the shoco. Marked hiking trails climb to viewpoints such as Cero Arikok and Jamanota, the island's highest hill. After rare rain the desert briefly greens and flowers.

• Start early; the desert offers almost no shade and midday heat under the trade winds is intense.
• Carry far more water than you expect, sturdy shoes, and sun protection.
• Pair a morning in the park with the street art and sunsets of San Nicolas to the south.

A rental car reaches the visitor centre, but the interior tracks demand four-wheel drive, so many visitors join a guided tour or an ATV and UTV tour to explore safely.