The Road to Hana and the Hana Highway, explained

What is the Road to Hana, in plain terms

The Road to Hana is a stretch of public highway, signed as the Hana Highway, covering 64.4 miles of Hawaii Routes 36 and 360 between Kahului and Hana on the east side of Maui. Hawaii's transport department defines Route 36 as the section from Kaahumanu Avenue out to Kaupakalua Road; Route 360 takes over there and ends at Keawa Place, just short of Hana Bay. Route 360 is the part people picture when they ask what the Road to Hana is: narrow, green, bridge after bridge.

The shape of the road matters far more than the mileage. The state tourism authority counts 620 curves and 59 bridges on Route 360, and 46 of those bridges carry a single lane, so traffic from the other direction has to wait its turn. Set that against the 52 miles the same source measures from Kahului to Hana, and the official two-to-four-hour estimate for one direction stops sounding strange.

This is also a listed historic road. Cars first ran the full route on December 18, 1926, the product of bridge and road building that had started in 1900 and carried on for decades, and a fully paved surface arrived only in the 1960s. The highway joined the National Register of Historic Places as a historic district on June 15, 2001, and the 59 bridges still carrying traffic were built between 1908 and 1947. The state transport department maintains the highway; past Hana, the continuation signed as Route 31 is a Maui County road.

Where is the Road to Hana

East Maui, on the wet windward side of the island. The drive starts in Kahului, where the airport and harbour are, reaches Paia about four miles later, and then leaves the open coast for rainforest and gulches. Paia is a small town of rustic storefronts, galleries and restaurants, and it holds the last gas station before Hana according to the National Park Service. Hookipa Beach just past it is described on Hawaii's official tourism site as the windsurfing capital of the world, with dangerous surf in winter.

Hana town sits 52 miles from Kahului by the tourism authority's measure, and the road does not end there. The Kipahulu District of Haleakala National Park lies 12 miles further on, at the GPS address Mile Marker 41 Hana Hwy, and the park service routes drivers via 36 to 360 to 31, roughly four hours from Kahului. Kipahulu is open 24 hours, so what limits how far east you get is daylight and the time you turn around.

What the day looks like between Paia and Kipahulu

Past mile marker 2 the lanes tighten and the forest closes over the road. Twin Falls is the first gated stop, with gates opening at 7:10 a.m., last admission at 4:30 p.m., everyone out by 5:00 p.m., and only 55 paid parking spots on a first-come basis with no reservations. Roadside parking there means being refused entry, and no Uber or Lyft drop-offs are allowed. Garden of Eden Arboretum at mile marker 10.5 follows, 26 acres of trails and small waterfalls at 10600 Hana Highway, open 8:00 a.m. to 4:00 p.m. daily.

The middle miles are the ones people remember: taro valleys, one-lane bridges over stream mouths, and views back along the coast. Wailua Valley State Wayside is 1.5 acres of viewpoint over Keanae Valley, the Koolau Gap in the Haleakala rim and the taro fields of Wailua village. Kaumahina State Wayside covers 7.8 forested acres with picnicking and a northeast-coast outlook, and has no drinking water. Puaa Kaa State Wayside, 5.0 acres, has small waterfalls and pools. Those three plus Waianapanapa are the state stops with legal parking and restrooms, and the official code of conduct asks visitors to use them rather than pulling onto the shoulder.

Food is roadside and local. Aunty Sandy's banana bread stand is on the Keanae Peninsula, a left turn off the highway just after mile marker 16, Monday to Saturday from 8:30 a.m. to 2:30 p.m. Further east, mile marker 27 and a half is the address for Coconut Glen's, whose ice cream is made with coconut milk and no dairy. Hana Farms, at 2910 Hana Highway past mile marker 31, bakes its banana bread fresh daily and runs a wood-fired pizza grill, and the Hana Farmers Market fills the field below Hana Ranch Restaurant on Friday afternoons.

Waianapanapa State Park is the black sand coast at Hana, and the park has more than the beach: a native hala forest, a heiau, sea stacks, blow holes, a natural stone arch, a seabird colony, the small black sand beach, and the old Ke Ala Loa O Maui and Piilani coastal trail heading toward town. The park opens daily 7:00 a.m. to 6:00 p.m. At Kipahulu the Pools of Oheo cannot be entered for safety reasons and are viewed from the Kuloa Point Trail, half a mile with 80 feet of elevation change. The bigger walk is Pipiwai: 4 miles round trip, 800 feet of climb, rated moderately strenuous, passing the Makahiku Falls overlook about half a mile in and a boardwalked bamboo forest about a mile in before reaching 400-foot Waimoku Falls.

Why the road is slow, and why Hawaii points visitors at guided trips

Two to four hours one way assumes a clean run. In practice the curves, the single-lane bridges where oncoming cars take turns, and the stops themselves stretch the day far beyond the map estimate. The tours listed on this site run from 4 to 10 hours for exactly that reason.

Roadwork is normal here rather than exceptional. Three alternating single-lane work zones sit on the state transport department's current Maui list: Waikamoi at mile markers 9.79 to 10, where crews are stabilising a slope and restoring the road, Keanae at mile markers 13.9 to 14.2 beside Honomanu Bay, and Wailua at mile markers 19.5 to 19.6, each of them running 7 a.m. to 5 p.m. on weekdays. Shoulder closures for weed spraying rove across five more segments, mile markers 3 to 6, 10 to 13, 13.5 to 16.2, 18 to 20 and 26 to 30, between 12:30 a.m. and 11 a.m. Check the official notices on the morning you travel, since work zones move.

Hawaii's own tourism page for East Maui encourages visitors to see the road on a permitted guided tour instead of driving it themselves. The practical arguments line up behind that: someone else handles the 620 curves, the driver knows which pull-outs are designated stalls and which land the code of conduct asks visitors to stay off, and nobody in your party spends the afternoon watching the centre line. The park service warns that streams in East Maui can rise as fast as four feet in ten minutes, and that at Kipahulu emergency medical help is at least an hour away.

Planning pieces to sort before you go

Two dates break more itineraries than weather does. Twin Falls is closed to out-of-state visitors on the first Saturday of every month, which is reserved for Hawaii residents with a valid Hawaii licence. Kahanu Garden at 650 Ulaino Road, home of Piilanihale Heiau and believed to hold the largest ancient structure in Polynesia, opens 9 a.m. to 3 p.m. Monday to Friday only, with all guests out by 3:30 p.m. and about an hour needed for the self-guided route.

• Where it starts: Kahului for most departures, with Paia four miles in and the last gas station before Hana.
• How long it takes: two to four hours each way to Hana town by the state's estimate, about four hours each way if you continue to Kipahulu.
• Stops in order: Twin Falls at mile marker 2, Garden of Eden at 10.5, Keanae and the banana bread stand around 16, Puaa Kaa, then Hana and Kipahulu at Mile Marker 41.
• When to go: plan around daylight hours and weekday roadwork, since East Maui has no real dry season to aim for.
• Reservations: Waianapanapa State Park requires reservations for both entry and parking, released 30 days ahead one day at a time at midnight Hawaii Standard Time, with no same-day sales and entry closing at 5:30 p.m.
• What to pack: a rain layer in any month, sturdy hiking shoes for the Kipahulu trails, mineral sunscreen rather than products with oxybenzone, octinoxate or octocrylene, and repellent with 20 to 30 percent DEET, picaridin, oil of lemon eucalyptus or IR3535.

Which tour format suits you

Three formats on this site cover most travellers. A full day in a small group is the default: the 8 to 10 hour tour for 6 to 8 passengers starts from $282, rated 4.6 ★ (1092 reviews), with hotel pickup and drop-off, a continental breakfast of Maui-baked pastries and fresh fruit, a hot made-to-order Hawaiian BBQ plate lunch with 48 hours' notice for vegetarian plates, Maui potato chips, all-day water and tropical fruit drinks, and all fees and taxes included. Bags have to fit under the seat, no alcohol is allowed on board, and mobility equipment cannot be carried.

For a shorter day out of Kahului, the 7 to 8 hour trip from $200 is rated 4.7 ★ (159 reviews) and has no minimum party size, so one person can travel. Island guests meet at 7:20 a.m. in Kahului and cruise passengers at 8:30 a.m. by the Burger King parking lot, with breakfast of spam musubi or yogurt, a 6-inch turkey, ham or roast beef sub or a gluten-free vegan veggie wrap, chips and water for the day.

If half a day is all you have, the private option runs 4 to 5 hours from $279, rated 4.9 ★ (127 reviews), in a private air-conditioned vehicle with snacks, soda, coffee or tea and boogie boards; meals are not included. It starts at Island Fresh Cafe in Paia with reserved secure parking, which leaves Paia's shops and restaurants for afterwards. That is the format for a cruise call, young children, or anyone who wants the vehicle to themselves.

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