The Roubideau Creek Segment 2 in Colorado is a popular whitewater river run that spans 6.5 miles and is rated as a class III-IV. It features continuous rapids with some technical drops and obstacles such as boulder gardens, tight chutes, and steep ledges. The ideal streamflow range for this segment is between 200-500 cfs. Higher flows can make the rapids more challenging and dangerous, while lower flows can create shallow sections and make it difficult to navigate through the obstacles.

In terms of regulations, the Roubideau Creek Segment 2 is managed by the Bureau of Land Management (BLM) and requires a permit for commercial outfitters. Additionally, all boaters must follow Leave No Trace principles and abide by BLM regulations for camping and campfire use.

Overall, the Roubideau Creek Segment 2 offers an exciting and challenging whitewater experience for experienced paddlers. It is important to closely monitor streamflow levels and adhere to BLM regulations to ensure a safe and enjoyable trip. Sources used include American Whitewater and Colorado Parks and Wildlife.