Atlas Crack
OSM-mapped cave entrance · 31.8844°N, 109.1684°W
INTO THE DARK · CAVES DIRECTORY
Arizona's cave geography reflects its geology: living limestone caves in the southeast near the Mexican border, dry Route 66 caverns in the northwest, and lava tubes across the Mogollon Rim. Kartchner Caverns near Benson is the most extraordinary — discovered in 1974, kept secret for 14 years, opened in 1999 with 99.4% humidity and formations still actively growing. Grand Canyon Caverns on Route 66 is drier, deeper, stranger, and offers an option to sleep 210 feet underground.
Every cave listed here is on public or accessible land. Always bring three light sources, water, and let someone know your plans before entering any undeveloped cave. Temperature inside: typically 50–62°F year-round. Explore all caves on the Trek4Free map →
OSM-mapped cave entrance · 31.8844°N, 109.1684°W
OSM-mapped cave entrance · 36.0481°N, 113.8023°W
OSM-mapped cave entrance · 34.9130°N, 111.8362°W
OSM-mapped cave entrance · 33.9815°N, 112.3419°W
OSM-mapped cave entrance · 34.9325°N, 111.8631°W
OSM-mapped cave entrance · 33.4219°N, 111.4551°W
OSM-mapped cave entrance · 33.6103°N, 111.3193°W
OSM-mapped cave entrance · 33.6566°N, 113.6561°W
OSM-mapped cave entrance · 32.9560°N, 110.1923°W
OSM-mapped cave entrance · 35.1266°N, 112.5829°W
OSM-mapped cave entrance · 31.7289°N, 110.7685°W
OSM-mapped cave entrance · 36.9730°N, 113.8734°W
OSM-mapped cave entrance · 31.3508°N, 110.2607°W
OSM-mapped cave entrance · 31.7018°N, 109.3102°W
OSM-mapped cave entrance · 31.8799°N, 109.1694°W
OSM-mapped cave entrance · 31.8833°N, 109.1611°W
OSM-mapped cave entrance · 36.2067°N, 112.0452°W
OSM-mapped cave entrance · 31.4583°N, 110.3684°W
A dry limestone cave 210 feet underground on a stretch of old Route 66 near Peach Springs, Arizona, in the Hualapai Nation corridor west of the Grand Canyon. Dry means no active formations — just carv…
OSM-mapped cave entrance · 31.7772°N, 109.2483°W
OSM-mapped cave entrance · 33.5844°N, 111.3021°W
OSM-mapped cave entrance · 35.0926°N, 113.7228°W
OSM-mapped cave entrance · 34.1647°N, 109.9452°W
OSM-mapped cave entrance · 32.6948°N, 109.9194°W
OSM-mapped cave entrance · 32.0496°N, 109.2981°W
OSM-mapped cave entrance · 31.8834°N, 109.1615°W
OSM-mapped cave entrance · 36.4818°N, 114.5320°W
A living cave — still actively growing — that was kept secret by its discoverers for 14 years while they worked to ensure it would be protected before development. Gary Tenen and Randy Tufts discovere…
OSM-mapped cave entrance · 35.3422°N, 111.8356°W
OSM-mapped cave entrance · 36.0937°N, 113.9171°W
OSM-mapped cave entrance · 31.7176°N, 110.7701°W
OSM-mapped cave entrance · 36.8159°N, 111.4579°W
OSM-mapped cave entrance · 32.5245°N, 110.7064°W
OSM-mapped cave entrance · 31.5524°N, 110.4467°W
OSM-mapped cave entrance · 36.0981°N, 113.9322°W
OSM-mapped cave entrance · 34.9304°N, 111.9678°W
OSM-mapped cave entrance · 31.8048°N, 109.2702°W
OSM-mapped cave entrance · 31.8040°N, 109.2700°W
OSM-mapped cave entrance · 36.4310°N, 114.2214°W
OSM-mapped cave entrance · 31.8021°N, 109.2544°W
OSM-mapped cave entrance · 33.5855°N, 111.3781°W
OSM-mapped cave entrance · 35.4587°N, 111.8172°W
OSM-mapped cave entrance · 34.9008°N, 111.7856°W
OSM-mapped cave entrance · 36.5004°N, 111.8596°W
OSM-mapped cave entrance · 31.5114°N, 110.7984°W
OSM-mapped cave entrance · 36.3963°N, 112.4585°W
OSM-mapped cave entrance · 36.8626°N, 111.3747°W
OSM-mapped cave entrance · 33.4019°N, 111.3770°W
OSM-mapped cave entrance · 33.9854°N, 112.3690°W
OSM-mapped cave entrance · 36.4815°N, 114.5344°W
OSM-mapped cave entrance · 36.7577°N, 113.5286°W
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