346) is an east–west state highway in Clark County, Arkansas.

AR 346 begins near Amity Landing Recreation Area, a United States Army Corps of Engineers site on the Caddo River.

The route runs north through the Piney Woods forest to AR 84, where it terminates.

[1] In 1973, the Arkansas General Assembly passed Act 9 of 1973.

[4] In 1992, the Highway Commission granted the Clark County judge's request to transfer jurisdiction of the segment between AR 8 and the Caddo River in exchange for creation of AR 26 Spur (AR 26S) in Gum Springs.