Take a bus ride or private ride from any of the bigger cities (Kathmandu, Pokhara or Narayanghar) to Dumbre Bazaar. Often this will mean having to get a bus ticket for all the way to another big city but getting off when you reach the Dumbre Bazaar. From here you can get a place in a packed shared jeep up the mountainside to get to the village. There is a high chance you will find yourself seated on the roof of the jeep. Other options are to hike from Bimalnagar or Dumre (via Siddha Gufa).
Bandipur is small enough to walk around the entire village.
Some places to see around Bandipur are -
There are a few charming home-stays/hotels to choose from, almost all with spectacular views