Situated near Wat Chana Songkhram is Wat Sa Si. Around a Singhalese-style chedi is the main sanctuary on an island in the middle of Traphang Trakuan lake. A large viharn contains a stucco Buddha image. To the south stands nine chedis of different sizes. This temple is part of the Sukhothai Historical Park.
Map showing location of Wat Mahathat in Sukhothai Historical Park:
GPS Coordinates: 17.019880, 99.701664