The nearest airport is known as Kuala Namu, and is about 1,5 hours from the Haven by car, depending on traffic of course!
Car & Motorcycle: The Orangutan Haven is easily reached by car in about 50 minutes from the centre of the city of Medan, along the main road to Berastagi via the small market town of Pancur Batu
Bus: Frequent public buses ply the route between Medan and Berastagi. Ask to be dropped off at “Orangutan Haven” in Bintang Meriah
Taxi: Taxis and online car services will transport you to the Orangutan Haven. Fares should be around IDR 75.000 to 100.000