Sun Lakes–Dry Falls State Park in central Washington is ... It was formed by massive Ice Age floods (called the Missoula Floods) that carved out the canyons and dumped insane amounts of water ...

When Glacial Lake Missoula's ice dam shattered ... provide further evidence that giant floods thousands of years ago did the brunt of the work. 8. Dry Falls This lake is one of a number of ...

This stop overlooking the spectacular Dry Falls and Sun Lakes State ... the octagonal gazebo actually pre-dates the Depression, probably completed by State Parks in 1928. The other structures ...