|One of several old iron truss bridges relocated to the hiking trails|
|Location||Williamson County, Texas, USA|
|Lake type||Flood control reservoir|
|Primary inflows||San Gabriel River|
|Primary outflows||San Gabriel River|
|Basin countries||United States|
|Surface area||4,064 acres (16.45 km2)|
|Max. depth||50 ft (15 m)|
|Surface elevation||504 ft (154 m)|
Granger Lake is a United States Army Corps of Engineers reservoir on the San Gabriel River in central Texas in the United States. The lake is located near the towns of Granger, Texas and Taylor, Texas in Williamson County. The dam, lake, and all adjacent property are managed by the Fort Worth District of the U.S. Army Corps of Engineers. The reservoir was officially impounded in 1980, and serves to provide flood control for the communities downstream. Granger Lake is a popular recreational destination.
Fish populations 
Recreational uses 
In addition to maintaining the dam that creates the reservoir, the U.S. Army Corps of Engineers maintains recreational facilities at the lake. Taylor Park, Willis Creek Park, and Wilson H. Fox Park include day use areas for picnics and boat ramps for lake access. Overnight camping at both improved and primitive sites is permitted. Several designated wildlife areas border the lake, including Pecan Grove Wildlife Area, San Gabriel Wildlife Area, Sore Finger Wildlife Area, and Willis Creek Wildlife Area. Boating and fishing are very popular.