Major man-made reservoirs on the river include Lake Buchanan, Inks Lake, Lake LBJ, Lake Marble Falls, Lake Travis, Lake Austin, Town Lake now called Lady Bird Lake in Austin. Collectively, these lakes are known as the Highland Lakes .

LCRA's Interactive Map allows you to select one of eight map locations to highlight. The maps range from the Upper Northeast region near Abilene to the Highland Lakes area to the City of Austin and down to the Gulf Coast at Matagorda Bay.

Texas has 15 major rivers, 196 major reservoirs, and eight coastal basins, plus approximately 191,000 miles of streams. The map shows the major surface water features of Texas. The state’s major rivers drain toward the Gulf Coast, the Mississippi River, or the Rio Grande River.

View real-time information concerning Stream Flow, Current Lake Levels, recent rainfall amounts, and Current Temperatures throughout the Lower Colorado River Basin. LCRA's Interactive Map tool. Shows the location of LCRA's Electric Service Area, Water Service Area, Parks and more.

Map showing the San Saba and Llano River watersheds. The San Saba River flows into the Colorado River above Lake Buchanan and Llano River flows into Lake LBJ. 24.0"

Reservoir Basin Plates - Map Series - Displays map and information on individual reservoirs or lakes, and their associated dams.

A statewide map of Texas showing the major lakes, streams and rivers. Drought, precipitation, and stream gage information.

Map of the Colorado River and its tributaries, showing spillways, dams, proposed sites for dams, average bank lines, elevations above mean sea level datum (in feet), and U.S. Geological Survey river flow gauges (active and inactive).

Colorado River, river rising in western Texas, U.S., on the Llano Estacado (“Staked Plain”) in Dawson county, northeast of Lamesa. It flows generally southeastward past Colorado City, through rolling prairie and rugged hill and canyon country. By means of the Highland Lakes, six.

Colorado River. The Colorado River is the longest river with both its source and its mouth within Texas, stretching approximately 862 miles. It is the 11th longest river in the United States and has a drainage basin that extends into New Mexico, with some of its usually dry tributaries also reaching into the state.