Haleakala Highway (Crater Road)
Haleakala Highway - also known as Crater Road - is a breathtaking scenic drive ascending to the 10,023-foot summit of Haleakala. Winding through switchbacks, lava landscapes, and cloud layers, this 37-mile route offers panoramic island views, rare flora like the silversword, and access to multiple visitor centers. It's one of Maui's most iconic drives, especially at sunrise.
Haleakala Highway (Crater Road), Maui
Haleakala Highway, also known as Crater Road, is the two-lane road that leads to the summit of Haleakala. The road is well-maintained and well-traveled, but it's still a good idea to drive carefully and obey the speed limit signs. There are many switchbacks, blind turns and steep dropoffs without guardrails. Also, sometimes animals including cows and nene geese cross the highway.
At mile marker 10 there is a booth where all vehicles are required to pay $30 entry fee to Haleakala National Park. The visitor center is coming up next on your right. It is located at 7,000 feet (2.134 m). The temperature up here will already be quite a bit colder than at sea level. In the winter months, the temperature here ranges between 41-59 °F (5-15°C). In summer it is between 47-66 °F (8-19°C). Six miles further up between mile markers 17 and 18 you'll reach the Leleiwi Lookout. From here you can also enjoy nice views of the crater.
Located after mile marker 20 is the upper visitor center. There is a large parking lot here as well as restrooms. The temperature up here is about 40°F (4°C) in the winter and 46°F (8°C) in the summer. Past the upper visitor center, the road continues to the summit at 10,023 feet (3.055 m).
Along the way, keep an eye out for the silversword plant (you'll probably already get the see this unique plant at the lower visitor center). It is endemic to Hawaii. This amazing plant can live up to 50 years but only blooms at the end of its life.
Key Features of Haleakala Highway
- Summit access: Ascends to the top of Haleakala volcano at 10,023 feet (3,055 m).
- Visitor centers: Two centers along the route offering rest stops, restrooms, and educational exhibits.
- Silversword sightings: Spot the rare Haleakala silversword plant, endemic to this region.
- Weather shift: Temperatures can drop to near freezing - bring warm layers.
- Iconic sunrise: Haleakala is famed for its celestial sunrise views - reservations required for entry during sunrise hours.
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Frequently Asked Questions
How long is the drive up Haleakala Highway?
The scenic drive from Kahului to the summit is approximately 37 miles and takes about 1.5 to 2 hours without stops.
Do I need a reservation for sunrise?
Yes, if visiting Haleakala summit between 3 a.m. and 7 a.m., a sunrise reservation through the National Park Service is required in addition to the park entry fee.
How cold does it get at the summit?
Temperatures at the summit can dip below freezing, especially before sunrise. Dress in layers and bring a jacket, gloves, and hat.
What is the silversword plant?
The silversword is a rare and endangered plant that grows only on Haleakala. It blooms once in its lifetime and can live for up to 50 years.