The Big Hollow, National Natural Landmark in Wyoming, United States
The Big Hollow area contains a 10-mile network of single-track mountain biking trails through dense woodlands and rocky terrain formations.
Archaeological excavations in 2007 revealed an Early Archaic chert quarry where Native Americans produced over 2,000 stone tool blanks.
The site preserves evidence of ancient hunter-gatherer activities, featuring tools made from Burlington limestone that were traded across extensive distances.
Visitors can access the trail system through the Maple Springs Trailhead, which includes both a 5.3-mile North Loop and a 3.7-mile South Loop.
The location functions as a year-round recreational destination where cyclists navigate varying trail widths and grade changes without entrance fees.
Location: Wyoming
GPS coordinates: 41.31320,-105.72100
Latest update: March 17, 2025 12:54
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