South Dakota Highway 10

Highway 10
Highway 10
	Map of South Dakota with SD 10 in red
Route information
	Maintained by SDDOT
Length	175.945 mi (283.156 km)
Existed	1927–present
Major junctions
West end	SD 1804 in Pollock
	US 83 from north of Herreid to north of Mound City; SD 47 in Eureka; SD 45 from east of Eureka to Leola; US 281 near Barnard; SD 25 near Lake City; SD 127 in Sisseton; I-29 / US 81 east of Sisseton;
East end	MN 28 at the Minnesota state line southeast of Sisseton
Location
Country	United States
State	South Dakota
Counties	Campbell; McPherson; Brown; Marshall; Roberts;
Highway system
	South Dakota State Trunk Highway System; Interstate; US; State;

South Dakota Highway 10 (SD 10) is a 175.945-mile (283.156 km) state highway in the north-central and northeastern portions of South Dakota, United States. It connects SD 1804 in Pollock with the Minnesota state line southeast of Sisseton.

SD 10 was formerly the "Glacier Trail", and used to be designated as South Dakota Highway 12 (SD 12).