The crater was formed about 50,000 years ago and is a botanical garden for dry-land plants. It is “free” is taken care of by non-profit Honolulu Parks.

At the beginning of the trail is a box for a free guide listing the various types of plants and trees along the trail. The crater trail is a two mile loop.

It was hot and highly recommend that you bring water. At the time of our visit, the Plumeria’s were blooming and it was quite beautiful.

We had a car, but there was a bus stop close by. There are actually two roads that can get you here. We took the longer route of Kalanianaole Highway past Hanauma Bay, the blowhole and Sandy Beach Park to find Kealahou Street.

When you finally arrive, you will see “Horse Stables,” but they are not part of the gardens.

The Koko Crater Botanical Garden is a pretty trail, free and the arid environment made an interesting hike.