GC4EDEG ▼
Size:  (micro)
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Colorado Fun Fact: The Dwight Eisenhower Memorial Tunnel between Clear Creek & Summit counties is the highest auto tunnel in the world. Bored at an elevation of 11,000 feet under the Continental Divide, it is 8,960 feet long. During construction approximately 1 million cubic yards of material was cleared from each bore. 190,000 cubic yards of concrete was used for each tunnel lining. The Dwight Eisenhower Memorial Tunnel electric bill averages approximately $70,000 per month. Letterbox Hybrid Directions: Letterbox is at the listed coordinates. Stamp is for letterbox logging only and is NOT a trade item. Please leave the stamp in the cache. Bring your own inkpad and notebook. Colorado Star Series: See Colorado Star #01 – Stars Across America (GC4E0DH) for important details.
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You'll collect a digital Treasure from one of these collections when you find and log this geocache: