Mauna Kea State Park Pohakuloa Area is a state park located in the state of Hawaii. The park is situated on the slopes of Mauna Kea, which is the highest mountain in Hawaii. There are several reasons to visit the park, including its unique geological features, scenic vistas, and various recreational opportunities.

One of the main points of interest in the park is the Pohakuloa Training Area, which is a military training facility that covers over 130,000 acres. Visitors can watch military training exercises from designated viewing areas, and there are also guided tours available. Another popular attraction is the Mauna Kea Observatory, which is located near the summit of the mountain. The observatory offers tours and stargazing opportunities, and visitors can also learn about the various scientific projects that are conducted there.

The park also features several hiking trails, including the Mauna Kea Summit Trail, which leads to the summit of the mountain. Other outdoor activities available in the park include camping, picnicking, and wildlife viewing.

Interesting facts about the park include that it is home to several endangered species, including the palila bird and the Hawaiian hoary bat. The park also has a rich cultural history, as it was once a site of important religious ceremonies for ancient Hawaiians.

The best time of year to visit the park is during the summer months, when temperatures are mild and there is less chance of rain. However, visitors should be prepared for cold temperatures if they plan to visit the summit of Mauna Kea, as it can be 20-30 degrees cooler than at sea level. Additionally, visitors should be aware of the potential hazards of high altitude, as the summit of Mauna Kea is over 13,000 feet above sea level.