The source of the stream has an elevation of above sea level. The mouth of Kashinka Hollow lies over limestone, while the rest of the watershed's lower reaches lie on shale. Most of the watershed's middle and upper reaches lie over siltstone, but the uppermost reaches are on mudstone. The soil at one location on Kashinka Hollow is of the Watson Series. This soil series is a fairly well-drained and acidic silt loam. A number of other types of soil are also found in the stream's watershed. Watershed The watershed of Kashinka Hollow has an area of . The watershed is entirely in Briar Creek Township. Major roads in the stream's watershed include Evansville Road, Summer Hill Road, and Twin Church Road. Biology Trout reproduce naturally along the entire length of Kashinka Hollow. Recreation The Run for the Diamonds passes through Kashinka Hollow. See also Glen Brook List of rivers of Pennsylvania References Rivers of Columbia County, Pennsylvania Tributaries of the Susquehanna River Rivers of Pennsylvania