Haleakalā National Park Entrance

The Haleakalā National Park – Crater Road loop from Maui offers an exceptionally challenging road cycling experience, climbing from near sea level to over 10,000 feet. The route takes you through a dramatic landscape, starting with lush farmlands and transitioning to stark lava rock and a moon-like volcanic summit with a massive crater and numerous cinder cones. You'll gain 4567 feet (1392 metres) over 27.8 miles (44.7 km), a difficult ride that typically takes around 2 hours and 55 minutes.

Planning your visit requires careful preparation for the extreme conditions. Expect rapidly changing mountain weather, including strong winds and significant temperature drops, so dress in warm layers and carry plenty of water and food. There is a $15 entrance fee for cyclists entering Haleakalā National Park, and you'll be sharing the narrow, winding road with cars, as there are no dedicated bike lanes.

This route is internationally recognized as one of the most difficult road bike climbs, offering a unique "sea to summit" journey through distinct ecosystems. The summit is also famous for its stunning sunrises and sunsets, though sunrise viewing requires reservations. Keep an eye out for rare flora and fauna, such as the distinctive silversword plant, as you ascend.

The Haleakalā National Park – Crater Road loop from Hula Sandalwoods Cafe and Inn offers a truly unique road cycling experience, transforming from verdant farmland to an otherworldly volcanic landscape with cinder cones as you climb. The panoramic views from the summit, overlooking Haleakalā's massive crater and extending across Maui to neighboring islands, are simply spectacular. This 15.9-mile (25.5 km) route, rated moderate, is a journey through diverse microclimates and a chance to spot the rare silversword plant.

Planning your ride requires attention to detail. You'll need a permit and to pay an entrance fee for Haleakalā National Park. The Hula Sandalwoods Cafe and Inn is a convenient starting point, but remember that services are scarce once you begin the ascent. Pack plenty of water, snacks, sun protection, and waterproof layers, as the weather can shift quickly from warm to cold and cloudy conditions.

This route is notable for being one of the longest continuous climbs in the world, ascending over 2527 feet (770 metres) in just 1 hour and 40 minutes of estimated riding time. It's a challenging yet incredibly rewarding ride for experienced cyclists seeking a high-altitude adventure and some of the most dramatic scenery Maui has to offer.