|Address||420 River Road, Willow Hill, Federal District|
|Owned by||Koiwai Department of Transportation|
Monocacy Gap is a Koiwai Area Regional Rail System station in Willow Hill, Ivalician Federal District on the KARRS Setsuna Line. Westbound, it is the first station in past the Ulei River. The station is located at 420 River Road, approximately 5 miles northwest of Koiwai. Currently, there are no plans for an overpass or underpass at the station, so customers travelling east towards Koiwai Central Station must cross the railroad tracks directly.