At the occasion of the annual Meuse-Rhine geologists meeting at Mont Rigi (Hautes Fagnes, Stavelot Massif) on May 18-19, 1990, a review has been prepared on the geology of the Stavelot Massif. It illustrates the actual state of the art, achievements and remaining problems, of the geological investigations during the past decade. -Authors0info:eu-repo/semantics/publishe