Along Gastineau Channel across from downtown Juneau, the resilient alder trees grow, a sign that the earth was disrupted here years ago. If you look more closely, you will see rubble, rusted over pieces, and the ruins of a world now crumbling in the forest. Treadwell Historic Trail runs along Gastineau Channel across from downtown Juneau and the ruins of this incredible historic mine tell a tale of industry, civilization, disaster and abandonment. It’s mind blowing to think that these bits of antique machinery were once part of the largest gold mine in the world! Visit the Treadwell Historic Trail to see the site of a giant of industry from Alaska’s past.
The Treadwell Mine is on the south side of Douglas Island, half a mile east of downtown Douglas and southeast of downtown Juneau.
The Treadwell Mine was the biggest and most profitable hard-rock gold-mining operation in the world and had a healthy town that supported the workers and their families.
In 1917, the mine started leaking and was evacuated. Hours later the mine collapsed. No humans died, but 12 horses and a mule were lost in the cave-in.