Ash Gut is a long 2nd order tributary to the Murderkill River in Kent County, Delaware, United States.
Ash Gut rises on the Pratt Branch divide about 0.2 miles west of Frederica, Delaware. Ash Gut then flows southeast to meet the Murderkill River about 0.5 miles south of Frederica, Delaware.
Ash Gut drains of area, receives about 45.1 in/year of precipitation, has a topographic wetness index of 586.46 and is about 4.2% forested.