The Whitewater River Run Segment A is a popular river run in Florida that stretches from Mouth of Spring on Ocala NF (at Juniper Springs Wilderness) to Bridge on SH 19 (at Wilderness Boundary). The ideal streamflow range is between 200-500 cfs, and it is rated as a class II-III rapids run. The segment covers a distance of 5.5 miles, and it is known for its beautiful scenery and fun rapids.

Some of the specific rapids and obstacles on this segment include "The Chimney," "The Slide," and "Pinball." These rapids offer a thrilling experience to kayakers and rafters, and they require a high level of skill to navigate. The segment also has some shallow sections that require portaging.

To ensure safety and protect the natural environment, there are specific regulations that visitors must follow. For instance, all visitors must wear personal flotation devices, and motorized boats are not allowed on the river. Additionally, visitors must follow Leave No Trace principles and avoid disturbing the wildlife and vegetation.

In conclusion, the Whitewater River Run Segment A is a beautiful and exciting river run in Florida. Visitors should check the streamflow range and class rating before embarking on the trip, follow the regulations, and respect the environment to ensure a safe and enjoyable experience.