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Iga Ware

Iga ware is a pottery made from Iga clay found in the Iga area, in particular, the Shimagahara region. It is the name of the pottery produced in Iga City and Nabari City using traditional skills and techniques. It has been confirmed by investigations of the remains of Saikoji kiln in Makiyama, and Marubashira Teratani kiln, both in Iga City, that Iga ware kilns were established in the latter part of the 16th century. Iga ware, which produced items related to the tea ceremony, was highly treasured in Japan. Jugs and vases made in Iga were considered to be superior to all others. However in the 17th century, Iga ware could not respond to changing trends and styles in the tea ceremony, and production stopped. But towards the end of the 18th century, pottery production resumed and Iga became a production area for heat-resistant kitchenware, such as earthenware pans, pots and teapots, and other everyday items. Through to the present day, its unique properties have seen Iga clay continue to be used to produce heat-resistant tableware in an ongoing tradition. Iga clay is derived from the old Lake Biwa layer that accumulated 3-4 million years ago. Known as gairome clay, it contains a lot of carbonized vegetation and coarse grain silica. Upon firing, it becomes porous and has excellent fire-resistant, porosity, heat-retaining, water absorbent—as well as far-infrared ray—properties. Being made up of extremely fine clay and carbonized vegetation, it is also known as kibushi clay, achieving remarkable plasticity when mixed with water, and is extremely fire-resistant.

Certified Producers

Nagatani Seito Co., Ltd

569 Marubashira, Iga City