Grapevine Lake is a reservoir in North Texas about 20 mi (32 km) northwest of Dallas and northeast of Fort Worth.

These lakes became part of an extensive floodway system that is operated in a coordinated manner to minimize flooding along the Trinity River floodplain.

This gives it a flood capacity of at least 425,500 acre-feet (524,800,000 m3), including an allowance for the build-up of sediment in the lake's bottom.

Typically, the lake is maintained near its conservation level, at 535 ft (163 m), giving it a capacity of 181,100 acre-feet (223,400,000 m3) and a surface area of 7,280 acres (29.5 km2).

In February 1981, the city obtained an additional 25,000 acre-feet (31,000,000 m3) in the same elevations "until such time as this [water] is needed for navigation purposes."

Twin Coves Park is managed by the Town of Flower Mound and offers RV sites along with cabins and primitive camping.

[5] Both the Grapevine Sailing Club and the United States Coast Guard Auxiliary (Flotilla 5-11 of District 8) are based at Scott's Landing.

Murrell Park, a premier spot for catching sand and black bass on the north shore, was heavily damaged in the summer 2007 flood and was partially closed.

Hunting licenses are obtained from the state of Texas and an additional permit from the U.S. Army Corps of Engineers is required.

Many of its features, such as its parks, marinas, and dam, are visible in great detail to the airline passengers upon takeoff or landing.