Traditionally dominated by cattle and alpine dairy farming, and fishing, Greppen people also raised Chestnuts (in the mild climate) and mined Tuff which is a type of rock consisting of consolidated volcanic ash. Greppen municipality has an area of only 330 hectares, the rest is lake area and it stretches from Lake Lucerne up the west slope of Mount Rigi to just below Rigi-Staffel (elev. 1400m).