3 occurrences in 3 dictionaries

Reference: Halak

Easton

smooth; bald, a hill at the southern extremity of Canaan (Jos 11:17). It is referred to as if it were a landmark in that direction, being prominent and conspicuous from a distance. It has by some been identified with the modern Jebel el-Madura, on the south frontier of Judah, between the south end of the Dead Sea and the Wady Gaian.

Morish

Ha'lak Mount.

The southern limits of Joshua's conquests. Jos 11:17; 12:7. Not identified.

Smith

Ha'lak

(smooth), The mount, a mountain twice, and twice only, named, was the southern limit of Joshua's conquests,

Jos 11:17; 12:7

but which has not yet been identified.