Does South Branch Popple River hold wild trout?

Yes. The state classifies South Branch Popple River as Class II (some natural reproduction) across 10.47 miles of stream. That classification means natural reproduction, not stocking. Source: Wisconsin DNR Classified Trout Streams.

South Branch Popple River

Wisconsin. Classified Class II (some natural reproduction) by the state across 10.47 miles.

State Trout Classification

Classification	Class II (some natural reproduction)
Classified length	10.47 miles

Source: Wisconsin DNR Classified Trout Streams.

Fly fishing rivers →Wisconsin trout water →Wisconsin lakes →

Conditions: USGS NWIS (public domain). Classification: Wisconsin DNR Classified Trout Streams.