Napali Coast State Wilderness Park, located on the northwestern edge of Kauai, is one of Hawaii’s most visually dramatic landscapes. The coastline stretches for 17 miles and is defined by towering cliffs, known locally as "pali," that rise over 4,000 feet above the Pacific Ocean. These rugged ridges are carved by centuries of rainfall and volcanic activity, creating a landscape only accessible by foot, boat, or air. Historically, this coast was home to ancient Hawaiian communities who cultivated taro in the narrow valleys and fished along the shore. Traces of their agricultural terraces and cultural sites still exist, particularly in Kalalau Valley.

The park’s most iconic route is the Kalalau Trail, an 11-mile path that begins at Ke’e Beach and leads to Kalalau Beach. The trail is physically demanding and crosses five major valleys, but offers views that aren’t accessible any other way. Hikers often spot wild goats clinging to the cliffs and, during certain months, humpback whales breaching offshore. Permits are required for those camping beyond Hanakāpīʻai Valley, and overnight hikers should be prepared for stream crossings, changing weather, and isolation from any services.

For those not hiking, boat tours from Hanalei or Port Allen offer a different perspective of the coast’s jagged shoreline, waterfalls, and sea caves. Many tours include snorkeling stops near Nualolo Kai or Miloli‘i, where ancient fishing villages once thrived. Kayaking the coastline in summer is another option, although it requires calm seas and a high level of fitness. In contrast, helicopter flights offer aerial views of the narrow ridges and hidden valleys, especially stunning after a heavy rain when dozens of waterfalls pour off the cliffs.