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Related Historical Markers
By Cosmos Mariner, July 13, 2015
Oneonta Tunnel Marker (tall view; west tunnel portal in background)
SHOWN IN SOURCE-SPECIFIED ORDER
1 ► Oregon, Multnomah County, Cascade Locks — Oneonta Tunnel — Revisit the Past —  |
| On Historic Columbia River Highway (U.S. 30) 1.8 miles west of Interstate 84, on the left when traveling west. | |||
| 2 ► Oregon, Multnomah County, Cascade Locks — Oneonta Gorge — A Secret Garden — |
| On Historic Columbia River Highway (U.S. 30) 1.8 miles west of Interstate 84, on the left when traveling west. | |||