Mississippi Highway 342 (MS 342), also known as Black Zion Road, is a 7.793-mile-long (12.542 km) west–east state highway in eastern Pontotoc County, Mississippi, connecting MS 41 near Pontotoc to West Main Street east of Pontotoc.

It winds its way east up the Chiwapa Creek valley (on the creek's northern banks) for about six miles (9.7 km) to make a sharp left turn at an intersection with Valley Road at the community of Zion (also known as Black Zion).

The highway heads north for about one mile (1.6 km) before coming to an intersection with U.S. Route 278 (US 278)/MS 6 just outside of Trace State Park.

The road continues for another 0.65 miles (1.05 km) to end at West Main Street and Faulkner Road.

[2] The entire route is in Pontotoc County.