Hana Highway to Piilani Highway

This route is considered a difficult road ride, requiring a very good fitness level. It involves significant elevation changes and can be quite challenging.

The terrain is varied and challenging. While mostly paved, expect some unpaved and gravel sections, especially on the Piilani Highway side, which can be bumpy. The Hana Highway portion features winding roads, narrow sections, and numerous one-lane bridges. Roadside waterfalls can also make the pavement wet and slippery.

The route is approximately 57.4 kilometers (35.7 miles) long with about 1,200 meters (3,937 feet) of elevation gain. It typically takes around 5 hours and 20 minutes to complete, but this can vary based on fitness and stops.

Yes, the route offers breathtaking scenery. Along the Piilani Highway, you'll find the Kūloa Point viewpoint. The Piilani Highway Coastal Route itself is a highlight, offering stunning ocean views and unique volcanic landscapes. You'll also encounter lush rainforests, waterfalls, and diverse coastal vistas.

Parking options can vary along the Hana Highway. It's advisable to research specific starting points and parking availability in advance, as some areas can be crowded, especially on the Hana Highway side.

A portion of the route, particularly the Piilani Highway section, passes through or near the Kipahulu District of Haleakalā National Park. An entrance fee is required to access the park, and regulations apply. Check the official Haleakalā National Park website for current fees and any specific cycling regulations.

Generally, road cycling routes are not considered dog-friendly due to traffic, varied terrain, and potential restrictions in certain areas, including national park sections. It's best to leave pets at home for this challenging ride.

Maui's weather is generally pleasant year-round, but the dry season (April to October) might offer more consistent conditions, especially for the potentially wet and slippery sections. Be prepared for rain at any time, particularly on the Hana Highway side, and potential headwinds on the Piilani Highway.

While there are food stands along the Hana Highway, reliable water and food stops can be sparse, especially on the more remote Piilani Highway section. It's crucial to plan ahead and carry sufficient provisions for your ride.

The Hana Highway is known for its winding, narrow roads and lush rainforests. The Piilani Highway, especially the 'backside of Haleakala,' offers a more remote, less trafficked experience with stunning coastal views, rolling hills, and unique volcanic landscapes. It provides a wilder, less explored perspective of Maui.

Yes, the route passes through sections that are near or intersect with official trails such as the Pīpīwai Trail and the Lower Trail, particularly in the vicinity of Haleakalā National Park's Kipahulu District.