The Cumberland Ridge is an elevated woodland located in northern Wegmat. It spans across the entirety of North Potawatomi and the majority of northern Irving. The Cumberland Ridge has the largest trees in Wegmat, some with a diameter of 15 feet. The Cumberland Ridge has very thick woods that are relatively impassible making the only suitable land being in the west, on the Robinson Lawn or along with the Des Plaines River. The two cities in the Cumberland Ridge are Crystal Springs, Irving and Robinson, North Potawatomi. The only other settlements are Fort Lawrence and Midway in North Potawatomi and Inland in Irving.