 The city also features a sea port and is in proximity of a large forest called the Black Forest and to several mountains, the most notable being "Old Demon Tooth", usually depicted as a towering pointed peak leaning slightly to the side.The main river of the city is the Tulebug River, first mentioned in "The Money Well" (1958) by Carl Barks, and it is located near Killmotor Hill.Duckburg is home to Yarvard University (a play on the universities of Harvard and Yale), an institution more notable for its athletic teams than for its academic achievements.