The Tunbridge series consists of moderately deep, well drained soils on glaciated uplands. They formed in loamy glacial till.
Permeability is moderate or moderately rapid.
Slope ranges from 0 to 75 percent. Tunbridge fine sandy loam, on a south-facing slope of 4 percent, in a rocky wooded area. The thickness of the solum ranges from 14 to 38 inches. The depth to bedrock ranges from 20 to 40 inches. Reaction ranges from extremely acid through moderately acid in the solum and from strongly acid through slightly acid in the substratum.