As a child, I loved to visit Porphyry Island. I don’t recall that we were there often; my parents preferred the relatively isolated anchorages of Loon Harbour and Otter Cove along the north shore of Lake Superior, but I have fond memories of visiting Porphyry and found inspiration there as a setting for The Lightkeeper’s Daughters.
The Island itself sits near the entrance to Black Bay with the light station marking the shipping channel to Thunder Bay, east of Isle Royale. Its name is derived from the volcanic rock common on the island. Even now, when I visit, I comb the beaches looking for “Thunder Eggs” – igneous stones with crystalized centers. The light was the second commissioned on the Canadian shores of Lake Superior and became operational on July 1st, 1873.
The Island itself sits near the entrance to Black Bay with the light station marking the shipping channel to Thunder Bay, east of Isle Royale. Its name is derived from the volcanic rock common on the island. Even now, when I visit, I comb the beaches looking for “Thunder Eggs” – igneous stones with crystalized centers. The light was the second commissioned on the Canadian shores of Lake Superior and became operational on July 1st, 1873.
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