The Rinkenwall or Rinkenmauer is a circular rampart fortification at the southeastern tip of the Rinkenkopf mountain above the Murg valley near the village of Baiersbronn in the county of Freudenstadt in the south German state of Baden-Württemberg.

The word Rincga means roughly "ring-shaped", probably referring to the circular rampart (Ringwall).

The donation of holdings on the Rinkenberg clearly suggests that the fortification at that time had no longer any military or administrative function.

These offer various interpretations of the age of the fort and its use as a refuge castle or to protect grazing cattle.

About 50 metres in front of the entrance on the northwest side, through which a footpath passes today, is a clearance cairn, the remains of an outwork.