Friends nandi hills is situated just 60 km. from bangalore city centre, which means you can drive to this place who is staying near bangalore. its a lovely place to visit . climate is very good out here. the best time to visit here is before sun rise and its a one of the best place for photography. you can get bike and car on rent from bangalore if you want to drive yourself. you will really enjoy trekking and local sightseeing there, hotels are so so. but its safe.