The Wat Phra That Chae Haeng is located a few km east of Nan town and said to be the original place where Nan town was founded. The Wat Phra That Chae is not to be confused with the Wat Phra That Chae Kham what is in Nan town. The Wat Phra That Chae Heang is for Thai people born in the year of the Rabbit one of the most important temples in Thailand to visit. The temple is build in the area where Nan town was originally founded and is built in a mix of so called Lanna style and Tai Lue architecture, probably in the 14th century. As it is build on an hill you have a great view over Nan town and a great place to see sunset over Nan town. One of the characteristics of the temple is the stairway to the temple with side-ways to huge Naga's (dragons). For a some more old photos of this temple see Memories of the Wat Phra That Chae Haeng. For more information about Nan province have a look at Destination Travel Guide Nan.
The Wat Phra That Chae Haeng can be visited all year around, daily from 6:00 - 18:00 and entrance is free. The Wat Phra That Chae Haeng is just a few km east of Nan town, too far to go walking. But you could take the bicycle to go there. Just cross the main bridge over the Nan River and follow the road for a few km's. Then at the round about turn right and park your car / bicycle at the police box.