Survival In The Wild Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn At 2.5 miles, the Ape Cave is the longest continuous lava tube in the continental United States and the third longest (in total mapped length) lava tube in North America. Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Products You May Like Articles You May Like EDC Update Spring | Items You Probably Haven’t Seen $500 Digital Night Vision Review – GoYoJo GNG2K Lumintop Tool Ti Nichia 219 Solo Overnight Lost Hiker in the Woods Shelters Inside of a Boulder skills most dont think about #skills #survival #outdoorskills #philosophy