Whether you have only one day or several weeks, Nepal offers the best mountain viewing options in the world. Take a trip to Nagakot from where there are panoramic views of the Himalayas. Whether it is a Mountain flight or a gruelling trek to the Everest or Annapurnas; from the time you are flying in, you will be blessed with gorgeous views of snowy peaks.
The Himalayas form the northern border of Nepal with Tibet and Kathmandu is approximately 65 km in a straight line from the border so it is possible to get many fantastic views of the greater Himalayan range within a short driving distance from your hotel in Kathmandu.
From Kathmandu a short drive to Nagarkot will take you to the rim of the Kathmandu Valley, with a large number of hotels to choose from and you could stay overnight to watch the colourful sunrise and sunset. Take a walk around the nearby hills for better views. This visit can be combined with a short tour of Bhaktapur and walk through a city that resembles a city from medieval times with its brick houses, narrow brick roads and ancient temples.