Mountain Creek Lake is a 2,493-acre reservoir located about 8 miles southwest of downtown Dallas, Texas. The lake was created in 1937 by damming Mountain Creek, a tributary of the Trinity River, to provide cooling water for a power plant. The lake has a maximum depth of 26 feet and is surrounded by Mountain Creek Lake Park, a 2,500-acre park offering recreational opportunities.

The Texas Department of State Health Services has issued a consumption advisory for fish caught in the lake due to PCB contamination. While some fish species are now considered safe to eat in limited quantities, others remain unsafe. Water quality issues stem from historical contamination from industrial facilities and a naval air station.

The lake offers opportunities for fishing, with species including catfish, bass, and crappie. Boat ramps and docks are available for launching. The shoreline features riprap habitat on the north side, as well as areas of lotus, water willow, and bulrush vegetation. Paddlers may spot various bird species, including bald eagles that inhabit the area.

Spring and fall are generally considered the best seasons to visit, when mild temperatures are ideal for outdoor activities. The lake typically experiences 1-3 feet of water level fluctuation and has stained water clarity. Paddlers should note that the lake serves as a cooling reservoir for a power plant, which may affect water temperatures in some areas.

Mountain Creek Lake Park provides amenities such as picnic areas, playgrounds, and hiking trails offering scenic views of the lake and wildlife. The park hosts events throughout the year, including an annual fishing tournament and kite festival, which may impact paddling activities during those times.

While rich in history dating back to its use as a water source in the late 1800s, paddlers should be mindful of the lake's industrial past and ongoing use for power generation when planning their trips.