The Basantapur Tower ('Basantpur' means "place of Spring") is located on the south of Nasal Chok. It is a nine-storey tower from the top of which a panoramic view of the palace and city could be seen. Erotic images are carved on the struts of this tower. This tower is one of the four red towers that King Prithvi Narayan Shah built delimiting the four old cities of the Kathmandu Valley namely, the Kathmandu or the Basantapur Tower, the Kirtipur Tower, the Bhaktapur Tower or Lakshmi Bilas, and the Patan or Lalitpur Tower