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The Whitewater River Run in the Mark Trail Wilderness Boundary to Old Turnpike Crossing Near Vandiver Branch in Georgia is a popular spot for whitewater enthusiasts. The ideal streamflow range for this stretch of river is between 150-400 cubic feet per second (cfs). The run is rated as Class II-III, making it suitable for intermediate paddlers. The segment mileage is approximately 4.5 miles long, which can usually be completed within 2-3 hours.

Some specific river rapids and obstacles along the Whitewater River Run include the Big Rocks, the S Turn, and the Pinball Rapid. The Big Rocks is a series of small rapids that require paddlers to maneuver around large boulders. The S Turn is a sharp turn in the river that requires skillful maneuvering to navigate around. The Pinball Rapid consists of several large rocks that create a bouncy ride down the river.

Specific regulations to the area include the requirement to wear a personal flotation device (PFD) at all times while on the river. The minimum age for paddlers is 8 years old, and anyone under 18 years old must be accompanied by an adult. Camping is prohibited within 200 feet of the river bank, and fires are only allowed in designated fire rings.

Overall, the Whitewater River Run in the Mark Trail Wilderness Boundary to Old Turnpike Crossing Near Vandiver Branch in Georgia is a thrilling stretch of river that offers challenges to intermediate paddlers. It is important to follow all regulations and safety precautions to ensure a safe and enjoyable experience.