Once at the David Terminal, take the bus that says Boquete. Get off at the final stop, which is the park. Take a bus, cab or walk by following the Google maps directions. The walk to the hostel is absolutely beautiful! It's like walking inside Agartha! The bus that bring you to the hostel is called Arco Iris, it's a few blocks up the road from the park it costs 75 cents. Cab rides to Boquete are between two and four dollars.