A train passes through multiple tunnels in Eldorado Canyon State Park, Colorado.

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Size: 6000px × 4000px
Location: Eldorado Canyon State Park Visitor Center, Eldorado Springs Drive, Boulder, CO, United States
Photo credit: © Brian Wolski / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: boulder, camping, canyon, clouds, colorado, denver, eldorado, foothills, forest, gate, golden, green, hiking, hills, landscape, mountain, nature, outdoors, park, railroad, railway, rockies, rocks, shadow, snow, state, sunset, trail, train, travel, trees, tunnel, valley, wildlife