The San Miguel River Segment 5 in Colorado is a popular whitewater river run that spans 10.5 miles and is rated as a Class III to IV rapid. The ideal streamflow range for this segment is between 500 to 2,000 cubic feet per second (cfs), which usually occurs from May to June.

The segment is known for its technical rapids, including Pinball, Saw Pit, and the Steeps, which require skillful maneuvering. The river also features several drops and ledges, and boaters should be prepared to navigate through some tight channels.

In terms of regulations, users must obtain a permit from the Bureau of Land Management to launch boats in the area. Additionally, there are regulations on the maximum group size and equipment requirements, including the use of personal flotation devices.

It is important to note that the San Miguel River can be dangerous with high water flows and steep drops, and boaters should have prior experience and knowledge of the river. It is recommended to hire a guide or join a group for safety reasons.

Overall, the San Miguel River Segment 5 offers a challenging and technical whitewater experience for experienced boaters during the appropriate streamflow range.