Explore the Dallas Off-Road Bicycle Association Trail at Ray Roberts Lake - Johnson Branch. This 9-mile hike and bike trail travels through cool creek bottoms and up high hills. Start early to take in sunrise across the lake. Watch for wildlife of all sorts, including the ever-elusive bobcat. Most of the trail is easy to moderate, but a few sections are more challenging.
They built the tunnel for the train. But since the train’s been gone, the tunnel has served a new purpose: a perfect roosting place for millions of bats. Old Tunnel State Park (near Fredericksburg) houses to up to 3 million Mexican free-tailed and 3,000 cave myotis bats during the warmest half of the year.