North Fork and South Fork of the Buffalo river run through this township. Named creeks include: Kay, Jermstad and Rindahl. There are a few unnamed as well.
According to the United States Census Bureau, the town has a total area of 36.0 square miles (93.1 km²), of which, 36.0 square miles (93.1 km²) of it is land and 0.03% is water. http://en.wikipedia.org/wiki/Garfield,_Jackson_County,_Wisconsin