Lake Granbury is more like a wide river than open water located 35 miles southwest of Ft. Worth, Texas on SH 377. Many areas of Lake Granbury on the shoreline are not accessible by land or are private property.
Yes, you can swim at Lake Granbury. Lake Granbury is fairly populated along the shoreline. It lies along the Brazos River, and there are only two public swim beaches on Lake Granbury. You have to boat to find other swimming areas and coves.
DeCordova Bend park on the southeastern bend of Lake Granbury has the largest swim beach on the lake with primitive camping, many picnic tables under trees for shade, and restrooms. It is free, located near the dam, and accessible off of Acton Highway which is also FM 4.
Granbury City Park Beach on the northern of Lake Granbury has a small, but nice beach with a few covered picnic tables, a volleyball court, a splash pad, and restrooms. It is free and located off of East Pearl Street in Granbury, Texas.