A Full day heritage tour in Kathmandu that includes Hanuman Dhoka Durbar Square, Swayambhunath Stupa, Pashupatinath Temple, and Boudhanath Stupa is the best way to explore the rich cultural and historical heritage of the city. This tour offers a scenic tour of Kathmandu Valley. Kathmandu heritage tour includes 4 different UNESCO world heritage sites within 5 hour's tour. Here’s a detailed itinerary with highlights for each Location:

Hanuman Dhoka Durbar Squire:
• Ancient royal palace complex with historical significance.
• Basantapur Durbar, Nasal Chowk, and Mul Chowk, featuring stunning architecture and Wood carving.
• Kumari Ghar, residence of the Living Goddess Kumari.
• Numerous temples and statues of different gods and goddesses.

Swayembhunath Stupa:
• Iconic stupa with a wonderful view of the Kathmandu Valley.
• Monkeys roaming freely in the vicinity, giving it the nickname “Monkey Temple.”
• Surrounding shrines, statues, prayer flags and prayer wheels.
• A hub of Tibetan Buddhism with a vibrant atmosphere

Pashupati Temple:
• One of the holiest Hindu temples dedicated to Lord Shiva.
• Located on the banks of the Holy Bagmati River.
• The main pagoda-style temple with intricate wood carvings.
• A sacred cremation area along the Bagmati River, where Hindu cremation rituals take place.
• One of the famous places for Hindu Ritual Open cremation.

Bouddhanath Stupa:
• One of the largest stupas in Nepal and a UNESCO World Heritage Site which was listed in 1979 AD.
• Visit Thanka Art School and learn about Nepali Hand Painted Thanka Art with a Huge Painting Gallery.
• The eyes of Buddha painted on the stupa symbolize wisdom and compassion.
• Numerous prayer wheels, shops, and monasteries surrounding the stupa.

Remember to respect these sites' religious and cultural significance, and follow the local guide's instructions. Additionally, be mindful of the entry fees and any cultural practices that may apply extra fees for the site.