Both Shimla and Manali are great destinations for honeymoon to, your choice of destination will entirely depend on your purpose of travel. If you are looking for adventurous activities along with the sightseeing points, Manali is the place for you. It is ideal for a honeymoon, with its stunning landscapes, numerous sightseeing points and number of adventure activities. On the other hand, Shimla is more appropriate for a peaceful getaway with your partner, there are many offbeat places that one can explore. So, deciding the destination will depend on what kind of trip you are looking for with your partner.