Does Sixmile Br hold wild trout?

Yes. The state classifies Sixmile Br as Class II (some natural reproduction) across 4.08 miles of stream. That classification means natural reproduction, not stocking. Source: Wisconsin DNR Classified Trout Streams.

Sixmile Br

Wisconsin. Classified Class II (some natural reproduction) by the state across 4.08 miles.

State Trout Classification

Classification	Class II (some natural reproduction)
Classified length	4.08 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.