 Relsberg lies in the North Palatine Uplands on a ridge between the Lauter and Odenbach valleys at an elevation of some 360 m above sea level in the headwaters of some small streams that run to the Odenbach.The elevations in the immediate vicinity reach beyond 400 m above sea level.Not quite reaching this height on the Ordnance Survey map are the Bauschüttberg (399 m) and the Kahlenberg (396 m).