Bicazu Ardelean (Hungarian: Gyergyóbékás) is a commune in Neamț County, Romania.

It is composed of three villages: Bicazu Ardelean, Telec (Gyergyózsedánpatak), and Ticoș (Tikos).

The commune lies on the banks of the Bicaz River and its tributaries, the Capra and the Bistra.

It neighbors the following communes: Grințieș and Ceahlău to the north, Tașca to the east, Bicaz-Chei to the south, and Tulgheș, Harghita County to the west.

Bicazu Ardelean is traversed by national road DN12C [ro], which starts in Bicaz, 15 km (9.3 mi) to the east; the road continues through the scenic Bicaz Gorge, passes by the Red Lake, and ends in Gheorgheni, 43 km (27 mi) to the west, in Harghita County.