The 9 Most Amazing Peaks in Hawaiʻi County

Among the most popular mountain peaks in Hawaiʻi County is Mauna Kea, renowned globally for astronomical observation and considered the highest mountain in the world when measured from its base on the ocean floor. Visitors also frequently enjoy Pu‘ukalepeamoa Lookout for its panoramic views of Mauna Kea, especially at sunset, and Puʻuhuluhulu Cinder Cone, which offers an observation deck with views of the Mauna Ulu eruption site.

Mauna Kea is significant for several reasons: it is the highest point in Hawaiʻi at 13,796 feet (4,205 meters) above sea level, and when measured from its base on the ocean floor, it's considered the tallest mountain on Earth. It's a premier site for astronomical observation, housing 13 observatories, and offers unparalleled stargazing. Culturally, it's one of Hawaiʻi's most sacred spots, revered by Native Hawaiians.

Mauna Loa, meaning "Long Mountain," is the largest active volcano on Earth by volume and area covered, encompassing about half of the Big Island. It's a prime example of a shield volcano with broad, gentle slopes. It holds immense cultural and spiritual significance for the Hawaiian people and offers unique opportunities for backcountry hiking within Hawaiʻi Volcanoes National Park, allowing exploration of its dramatic volcanic landscape.

The Kohala Mountains, the oldest of the Big Island's five volcanoes, are known for their lush valleys and dramatic cliffs. You can enjoy scenic drives like the Kohala Mountain Road (Highway 250) with breathtaking panoramic views. The region features rainforest-clad valleys with stunning waterfalls, such as those seen from Pololū Valley Lookout. It's also rich in Hawaiian history, being the birthplace of King Kamehameha I, and offers ecotourism activities like hiking, zip-lining, and horseback riding.

Hualālai, a dormant shield volcano, is primarily known for its unique volcanic landscape featuring over 100 cinder and spatter cones. Its fertile, mineral-rich slopes provide ideal conditions for growing world-famous Kona coffee. The area also hosts luxurious resorts along the Kona-Kohala coast and is rich in Hawaiian history and culture, with sacred sites hidden among the lava fields.

Yes, Hawaiʻi County offers challenging mountain hikes. For instance, the ascent to Mauna Kea is considered challenging, with trails like the Mauna Kea Summit Trail offering incredible views for experienced hikers. The Mauna Loa Summit Crater also presents a challenging trek, allowing experienced hikers to explore its dramatic volcanic landscape. Always check current conditions and permit requirements before attempting these hikes.

While some peaks offer challenging routes, there are also easier options. For example, the hike to the summit of Pu‘ukalepeamoa Lookout is a very short walk from the visitor center. Additionally, you can find various easy hikes in the region, such as the Kīlauea Iki Trail or The End of the World Trail, which are part of the Easy hikes in Hawaiʻi County guide.

Hawaiʻi County's volcanoes showcase a variety of unique geological features. On Mauna Loa, you can observe massive shield volcano formations, lava flows, lava lakes, and cinder cones. Hualālai features over 100 cinder and spatter cones, and adventurous visitors can explore volcanic caves where olivine crystals can be found. The Puʻuhuluhulu Cinder Cone itself is a notable feature, with its vegetation-clad slopes contrasting with surrounding lava flows.

Beyond summiting the peaks, Hawaiʻi County offers a range of outdoor activities. You can explore various hiking trails, from easy walks to challenging treks, as detailed in guides like Hiking in Hawaiʻi County. Running enthusiasts can find suitable routes in the Running Trails in Hawaiʻi County guide. The diverse landscapes also support activities like zip-lining, horseback riding, and ATV tours, particularly in areas like the Kohala Mountains.

Visitors frequently highlight the breathtaking panoramic views, especially from viewpoints like Pu‘ukalepeamoa Lookout, which offers stunning vistas of Mauna Kea. The unique experience of being on the highest mountain in the world (from its base) at Mauna Kea is also a major draw. The contrast between lush vegetation and stark lava flows, as seen at Puʻuhuluhulu Cinder Cone, is also highly appreciated.

Yes, the mountain peaks of Hawaiʻi County hold deep cultural and historical significance. Mauna Kea is considered one of Hawaiʻi's most sacred spots by Native Hawaiians, serving as a burial ground for high-ranking chiefs. Mauna Loa also holds immense cultural and spiritual importance. The Kohala Mountains are the birthplace of King Kamehameha I, and the region features ancient heiau (temples) and charming historic towns like Hawi and Kapaau.

The trails to Mauna Loa's summit are sometimes closed due to volcanic activity. For example, the Mauna Loa Observatory highlight notes that trails were closed at the time of writing due to volcanic activity. Before planning a hike to the Mauna Loa Summit Crater or any part of the volcano, visitors should always check the national park website for the most current information and any required permits.