18 holes. Located in Greenwood Park, Dumas Golf Course sits on Lavey Lane, one block off Highway 19 in Baker. The course is approximately 15 miles north of Downtown Baton Rouge. One of the best tests of golf in the parish, this course is an 18-hole layout measuring 6,596 yards in length. The driving range next door at Clark Park is available for pre-round warm up. Tee times may be booked six days in advance.