Puu Pia Trail hike This hike is free and open to the public. It is sponsored by Mālama Mānoa . HIKE PHOTOS: Puu Pia hike 7/14/2012 on Picasa Explore the history, flora, and fauna of beautiful Mānoa Valley. Meet at 10 AM at the Puu Pia trailhead, 3662 Alani Drive: take E. Manoa Rd. to its mauka end. Turn left (west) on Alani Drive. Hike entrance is at the hairpin turn on Alani at a driveway near the property. The hike will be led by Dr. Duane Preble, longtime Mānoa resident and UH faculty member (retired). Carpooling is encouraged since there is very limited parking on the street. Bring a water bottle, mosquito repellent, and sunscreen. Closed shoes are suggested.