Hiking on Kauaʻi

On the North Shore, at the end of the highway, you'll find the Nā Pali Coast's famous Kalalau Trail and its shorter version, the 2-mile Hanakāpīʻai Trail. The full Kalalau is the island's most challenging hike, taking physical and logistical preparation months before you arrive. Hanakāpīʻai is a four-mile round-trip waterfall hike many visitors do to get a taste of what the longer trail is like. This is the rainy side of the island, so expect mud — and it still gets hot and humid, so bring plenty of water and sun protection. I'd base yourself in Hanalei or Princeville for these hikes, so your room is close by when you finish, exhausted. Kalalau is a destination trail: choose it only if you're in excellent condition and planning your whole trip around the adventure.

On the West Side, these adjoining parks together cover more than 6,200 acres. Waimea Canyon — the Grand Canyon of the Pacific — has five hikes; Kōkeʻe has at least 20. Stay in a cabin or camp at Kōkeʻe to get the most out of it. This is an incredible landscape of layered native forest, deep canyon crevices and Nā Pali Coast views. It's the dry side of the island, but these higher-elevation parks stay cooler mornings and evenings and draw much more rain, so be ready for any weather. Some trails are shaded under a canopy; others are fully exposed. The most popular are Awaʻawapuhi, Pihea and the Waimea Canyon Trail. There are trails for the whole family here — a good pick if you're visiting with children or want to camp in the forest for a few days.

On the East Side, Wailua has lush rainforest trails along the Wailua River and the popular Nounou Mountain East Trail — the Sleeping Giant — which ends in ocean views that are spectacular at sunrise. If you like kayaking, paddle the Wailua River and take the one-mile hike to Uluwehi Falls. These are great options if you're staying on the South Shore or East Side, with plenty of hotels nearby in Kapaʻa and Līhuʻe. Easy highway access and the shorter length of many trails make Wailua a gentler option than the Nā Pali Coast or Waimea Canyon. I'd recommend it for people in good shape who want to add a hike to their vacation without building the whole trip around it.

Some of Kauaʻi's trails require advance planning. Check the state's Division of State Parks site (dlnr.hawaii.gov/dsp/hiking/kauai) for current permit requirements and availability before you book anything else. Here's what matters most:

• Hanakāpīʻai Trail (first 2 miles of Kalalau): a day-use reservation through gohaena.com is required to enter Hāʻena State Park, the trailhead. It includes a park pass plus either a shuttle option or limited parking. The shuttle runs from the Waipā Park and Ride in Hanalei every 20 minutes from 6:20 a.m., or from Princeville at set times. Parking passes sell out fast, so the shuttle is more reliable.
• Full Kalalau Trail (past mile 2): a separate Nāpali Coast State Wilderness Park camping permit, released 90 days ahead and gone in seconds — one of the most sought-after hiking permits in the country. Book the moment your window opens. A valid camping permit covers Hāʻena entry (show it at the gate), but overnight parking needs its own reservation.
• Kōkeʻe State Park: non-residents need an advance entry reservation, plus a parking fee.
• Waimea Canyon: no permit, free — just a parking fee for non-residents.

Permit rules and capacity limits on Kauaʻi change often — confirm current requirements at the DLNR site before your trip. Don't rely on what a friend did two years ago.

The Kalalau Trail is one of the most beautiful hikes in the world. It's also one of the most dangerous — Outside magazine has named it among the 20 most dangerous hikes on earth. Matthew Wu fell to his death on the Hanakāpīʻai Falls trail. Zachary Rose fell near Mile Marker 7. Daniel Foster died after a fall into Kalalau Valley near the end of the 11-mile trail. In May 2026, a 37-year-old visitor from California was found unconscious on the trail and died at the hospital. A December 2024 drowning at Hanakāpīʻai Beach claimed a 32-year-old hiker from Alaska. These are not rare exceptions — they're a consistent pattern.

The trail is really two experiences. The first two miles to Hanakāpīʻai Beach are moderate, but slippery after rain — which, on the Nā Pali Coast, is most of the time. The beach itself is a separate danger: powerful rip currents, sudden large waves and no lifeguards make Hanakāpīʻai one of the most hazardous swimming spots in Hawaiʻi. Do not enter the water here under any circumstances. The sign at the beach tracking deaths is for real.

Past mile 2, it becomes backcountry — narrow paths, steep drops and slick sections that demand extreme care. Crawler's Ledge, a narrow path carved into a near-vertical cliff face, requires full attention and sure footing. Stream crossings can turn impassable without warning. Heat, dehydration and underlying medical conditions show up repeatedly in rescue reports, especially in summer. There's no cell service, and helicopter rescue is weather-dependent and can take days.

None of this means you shouldn't go — it means you should go prepared. Train before you arrive: hike uphill with a loaded pack, build endurance, get comfortable with exposure and heights. Pack a first-aid kit, duct tape and blister treatment; your feet will take a beating and your toenails may not survive. Hydrate constantly. Carry a satellite communicator and know your emergency protocols before you leave the trailhead. The people who think Kalalau is easy are the ones who get into trouble.