Lake Livingston

This huge reservoir contains 90,000 surface acres of water, is surrounded by two million acres, and has a timbered shoreline of 452 miles. The largest single-purpose water supply lake situated entirely within Texas, Lake Livingston provides recreational opportunities to the outdoor enthusiast, including fishing, boating, swimming, nature trails for hiking, and sights of beautiful sunsets. Cabins are available to rent and a paved lookout site is available at Browder’s 3278 Marina for picture taking and gazing. 
http://www.tpwd.state.tx.us/fishboat/fish/recreational/lakes/livingston/

Double Lake, 301 FM 2025, Coldspring, .877-444-6777

Double Lake is a beautiful spring-fed lake nestled within the Sam Houston National Forest. Camping is available around the lake. Enjoy fishing, canoeing or picnicking. Double Lake Recreation Area is located on the east side of the Sam Houston near Coldspring, Texas, surrounding a 24-acre lake and includes whispering pines and hardwoods one mile south on FM-2025. Built initially in 1937 by the Civilian Conservation Corps, Double Lake Recreation Area facilities includes family camping units, group camping, picnicking units, a picnic shelter, swimming area and beach, and a concession stand with bathhouse. Each family camping unit has a table, fireplace, tent pad, parking spur, and lantern-holder post. There are units with water, sewer, and electrical hook-ups. Picnic units have tables and fireplaces. 
http://www.fs.fed.us/r8/texas/recreation/sam_houston/doublelake.shtml

Lake Livingston Dam

The Livingston Dam, constructed across the Trinity River approximately seven miles from Coldspring, is 2-1/2 miles in length and has an average height of 55 feet. The average base width of the dam’s earthen embankment is 310 feet wide. The spillway is designed and constructed to pass flows of three times the maximum-recorded flow of the river at this site. 
http://www.trinityra.org/Facilities/facilities_water_supply.htm