If available, see below for a list of known police frequencies for Trenary, Michigan. Or, navigate to another city or town within Alger County, to view the local police frequencies.
| Au Train | Chatham | Deerton | Eben Junction | |
| Grand Marais | Munising | Rumely | Shingleton | |
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| Trenary | Wetmore | |||
Detect police activity and stay ticket-free in Trenary, Michigan with these police radar detectors.