The Secret Tunnels Beneath Downtown Olympia
Walk down 4th Avenue in downtown Olympia and you're walking on top of secrets. Beneath the sidewalks and storefronts lies a network of tunnels dating back to the 1880s — remnants of the original ground-level city that was literally buried and built over.
These tunnels were used for everything from bootlegging during Prohibition to smuggling operations connected to the waterfront. But the tunnels go deeper than anyone officially acknowledges.
Local historians have mapped portions of the tunnel system, but there are passages that lead to dead ends — or worse, to areas where the air itself feels wrong. Workers doing foundation repairs have broken through walls to find chambers that don't appear on any blueprint.
Some tunnel explorers report hearing whispered conversations in empty corridors. Others describe sudden temperature drops of 20-30 degrees. One contractor quit after his entire tool bag was found moved 50 feet from where he'd set it — while he was the only person in the tunnel.
"Olympia's underground is like an archaeological layer cake of weirdness," says Captain Ron. "Every generation buried its secrets. Literally."