Na Pali Coast
The 17-mile cathedral-cliff coastline on Kauai's north-west shore. Boat, helicopter, and (in summer) kayak only; there's no road. The single most-photographed stretch of the island.
Top tour: Napali Coast Boat Tour and Snorkeling
Kauai is Hawaii's oldest island, often called the Garden Isle for its lush rainforest interior, dramatic sea cliffs, and waterfall-fed valleys. This map gathers 17 of Kauai's defining attractions, from the cathedral cliffs of the Na Pali Coast to the deer-quiet of Polihale Beach, with the Viator tours that visit each one.
Tours are conversion-scored: those flagged Likely to Sell Out, with 500+ reviews, or 4.8★+ ratings surface first inside each attraction's popup. Affiliate revenue routes through Viator's partner program at no extra cost to bookers.
The 17-mile cathedral-cliff coastline on Kauai's north-west shore. Boat, helicopter, and (in summer) kayak only; there's no road. The single most-photographed stretch of the island.
Top tour: Napali Coast Boat Tour and Snorkeling
Mark Twain's 'Grand Canyon of the Pacific'. 14 miles long, up to 3,600 ft deep, ringed by lookout overlooks along Highway 550.
Top tour: Private Doors-Off Kauai Helicopter: Ultimate Waterfalls & Canyons
Eastern-shore river system feeding the 80-ft twin Wailua Falls and the Fern Grotto. Kayak, riverboat, and standup-paddle access from Wailua Marina.
Top tour: Secret Falls Kayak and Hike in Kauai
South-shore drier-side beach hub. Snorkel coves, monk seals on the sand, family-friendly water, and the launch point for many south-shore boat tours.
Top tour: Semi-Private Surf Lesson in Sunny Po'ipu
Two-mile crescent beach on Kauai's north shore, framed by the Makana mountain range. Surfing, paddleboarding, and the sunset most postcards print.
Top tour: Hanalei Bay Morning Kayak and Snorkel Tour
Main town and cruise-ship port on the south-east coast. Airport, Kalapaki Beach, the Menehune Fishpond, and the launch point for many east-side tours.
Top tour: Day Trip from Kauai to Oahu: WWII Pearl Harbor Heroes
Historic plantation town a few miles inland from Poipu. Old Koloa Town shopping street, the Koloa Heritage Trail, and the Koloa Zipline.
Top tour: Na Pali Sunset & Sightsee Boat Tour
Lava-tube blowhole at Poipu's south-west headland. Ocean swell forces water 50 ft into the air on a 30-second cycle.
Top tour: Private Waimea Canyon Tour
Old plantation-era town on the south-west coast, famous for its Friday-night art walk and the swinging footbridge across Hanapepe River.
Top tour: Private Doors-Off Kauai Helicopter: Ultimate Waterfalls & Canyons
4,000-foot perch inside Koke'e State Park, looking down into Kalalau Valley and out to the Na Pali coast. The classic 'three islands' Na Pali photograph.
Top tour: Private Doors-Off Kauai Helicopter: Ultimate Waterfalls & Canyons
South-shore plantation outside Kalaheo, the largest coffee farm in the United States. Self-guided walking tour and tasting room with 20+ varieties.
Top tour: Private Waimea Canyon Tour
East-shore town and the Kauai Path multi-use trail running along the coast. Sunrise yoga, beach cafes, and the entrance to the inland Sleeping Giant trailhead.
Top tour: Private Waimea Canyon Tour
151-ft east-shore double waterfall viewable from a roadside overlook on Kuamoo Road, just inland of Wailua. Often paired on tours with the Wailua River and Fern Grotto.
Top tour: Private Kauai North Shore Tour
5,148-ft volcanic peak at the centre of Kauai, one of the wettest spots on earth. Mostly accessible only by helicopter, including the 'Weeping Wall' inside the eroded crater.
Top tour: Private Doors-Off Kauai Helicopter: Ultimate Waterfalls & Canyons
North-shore resort plateau above Hanalei. Hiking trails, golf, helicopter pad, sunset cliffs.
Top tour: Princeville Botanical Gardens Tour and Chocolate Tasting Ticket
120-ft waterfall reached by a 2-mile kayak up the Wailua River followed by a 30-minute hike. Local name Uluwehi Falls.
Top tour: Secret Falls Kayak and Hike in Kauai
1913 lighthouse on the north-shore Kilauea Point National Wildlife Refuge. Best Kauai bird-watching: nene geese, frigate birds, red-footed boobies, monk seals offshore.
Top tour: Private Kauai North Shore Tour
Upper-elevation forest park above Waimea Canyon, with the Pihea and Awaawapuhi trails, a small lodge cafe, and the Kalalau Lookout at its northern edge.
Top tour: Waimea Canyon Downhill Bike Ride
Smaller, less-visited canyon south of Waimea Canyon. Access only via private helicopter-land tours; the canyon walls reach 2,500 ft.
Top tour: Kauai' Exclusive Helicopter Tour: Land & Explore Olokele Canyon
Calm, reef-protected beach on the north shore between Princeville and Kilauea. Snorkel-friendly, less crowded than Hanalei.
Top tour: Kauai East Side and North Shore Private Guided Tour
1.5-mile eucalyptus canopy over Maluhia Road, the gateway to Koloa from Highway 50. A short drive-through photo stop on most south-side tours.
Top tour: Kauai Luxury Farm to Bar Tour
17-mile-long beach on Kauai's far west, ending at the Na Pali sea cliffs. Reached by a rough 5-mile dirt road; high-clearance vehicle recommended.
Top tour: Kauai Sea Kayaking 10 mile tour - Na Pali Iki (Polihale to Milolii)
Tours that didn't keyword-match a specific attraction. Often general-Kauai helicopter overflights, photography sessions, multi-island tours, and rentals not anchored to one spot.
Top tour: Kauai Deluxe Waterfall Safari: Helicopter Tour
By Viator booking volume, the Na Pali Coast boat tours dominate. The 17-mile cathedral-cliff coastline is reachable only by boat, helicopter, or (in summer) kayak, which makes a guided tour the practical entry point. Several operators run from Port Allen on the south shore — the Lucky Lady catamaran and the Holo Holo are the highest-reviewed.
Five to seven days is the local consensus. Three days lets you do Na Pali by boat plus Waimea Canyon, but you'll miss the slower-paced pleasures of Hanalei and the south-shore beaches. A full week comfortably covers the headline attractions plus a non-rushed pace at the beach, which is most of the point of Kauai.
April through June and September through October are the sweet spots: less rain than winter (which gets ~30+ inches at Princeville on the north shore), fewer crowds than summer or December holidays, and full operating schedules at all the boat and helicopter operators. Whale watching peaks January through March if that's your priority.
Almost always, yes. There's no public transit between attractions of note, taxis and rideshare are scarce, and tour pickups don't reach the further attractions like Polihale or the Kalalau Trail trailhead. Book your rental as far in advance as your trip allows — the island has chronic fleet shortages, and last-minute prices can exceed your nightly hotel rate.
It's slightly cheaper than Maui or Oahu's Waikiki for accommodation, but food, gas, and tours are roughly equivalent across the four major islands. Tour prices on this map run from about $50 for a half-day kayak rental to $400+ for a private helicopter doors-off; the median is around $150-180.
Poipu Beach (calm reef-protected swimming), Wailua River for the family-paced kayak-to-Secret-Falls outing, the Kauai Coffee plantation tour, and the Kilauea Lighthouse wildlife refuge for ages 4+. Skip the Kalalau Trail beyond the first two miles — it gets exposed and steep — and skip the boat tours that promise dolphins for kids who get seasick.