Porphyry Island
| Use attributes for filter ! | |
| Provinces | Ontario |
|---|---|
| Locations | Lake Superior |
| District | Thunder Bay |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3044034 |
About Porphyry Island
Porphyry Island is an island in Unorganized Thunder Bay District in northwestern Ontario, Canada. It is the last island in a chain stretching south west of the Black Bay Peninsula in Lake Superior.
