Heads in Sinclair Lake and flows N to a Mackey Inlet adjacent to the Arctic Ocean 43 mi SE of Point Barrow, Arctic Plain.
HistoryNamed in 1837 by Thomas Simpson (1843, p. 144), the first white explorer along this caost, for his native guide George Sinclair.
Esatkuat Lagoon, Fatigue Bay, McKay Inlet,
Islands:Kulgurak Island, Tulimanik Island,
Lakes:Rivers: