Maha Wihaan Somdet Phra Phutthajaan in Nakhon Ratchasima, is a Buddhist sanctuary dedicate to the revered monk Luang Poo Toh (fig.).

It is fully known as Uthayaan Lahn Boon Maha Wihaan Somdet Phra Phutthajaan, and features a stunning, landscaped, subtropical garden, that is decorated with rockery, topiary, and ponds with fish.

The main prayer hall or vihara houses a 13 meter tall and 61 tons heavy gilded statue of this revered monk of the past (fig.), who is formally known as Somdet Phra Phutthajaan Toh Phrommaramsih.