Lake Femlingen is located in the southeastern part of Älmhult municipality, 20 kilometers east of the town. The lake probably got its name because it has five protruding arms or lobes. Gryten is a smaller lake just north of Femlingen.
Femlingen is one of the headwaters of the Helgeån river and has the best water in the Helgeån water system. Good swimming opportunities are found in the northern part at Ferö. The surface area is 1374 ha. The depth varies between 1.5 and 3 m, but there is a deep hole where the depth is 8-9 m. The lake is approximately 9 km long and 2½ km wide.
Boats can be rented. There is a boat mooring area. The lake is rocky. Fish species: Pike, perch, tench, roach and bream. The introduction of pike perch began in 2009.
Suitable fishing methods: Spinning, angling, jigging, trolling. In winter, jigging and fishing.
Parking: Single cars can be parked at Uthövdan, the southern part of the lake and at Häradsbäck, the eastern part. At Fagranäs in the northern part there is a larger parking lot, boat mooring area and barbecue area. Swimming is available on Ferö at Fagranäs. Swimming with a jetty is available at Näset, Bohult.
