How long is the Bamboo Forest Hike in Maui?

The Pipiwai Trail is located at the Pools Of Ohe’o in Haleakala National Park 8 miles past Hana on Maui’s east side. The trail is 4 miles round trip and takes about 2 hours. With swimming at the waterfall and exploring you could spend up to 4 hours on this trail. 1. Private Bamboo Forest Trek