▁U rey ▁Lis ians ki ▁of ▁the ▁Imperial ▁Russian ▁Navy . ▁In ▁the ▁ 1 9 3 0 s ▁a ▁trail ▁to ▁the ▁top ▁of ▁the ▁mountain ▁was ▁made ▁by ▁the ▁Civil ian ▁Conserv ation ▁Corps ▁as ▁part ▁of ▁a ▁New ▁De al ▁program ▁to ▁ease ▁the ▁Great ▁De pression . ▁▁ ▁The ▁M t . ▁Edge c um be ▁Tra il ▁is ▁roughly ▁, ▁asc ending ▁through ▁ta iga ▁and ▁mus k eg ▁before ▁becoming ▁ste ep ▁and ▁ending ▁in ▁a ▁bar ren ▁landscape ▁of ▁snow ▁and ▁red ▁vol can ic ▁ash ▁above ▁the ▁tre eline , ▁at ▁about ▁, ▁with ▁sign - posts ▁direct ing ▁h ik ers ▁toward ▁the ▁cr ater ▁rim . ▁A ▁three - s ided ▁cabin ▁built ▁by ▁the ▁Conserv ation ▁Corps ▁lies ▁about ▁ ▁up ▁trail . ▁The ▁trail ▁can ▁be ▁mud dy ▁and ▁wet ▁in ▁places , ▁the ▁last ▁ ▁are ▁a ▁ste ep ▁clim b , ▁and ▁be ars ▁may ▁be ▁present . ▁The ▁difficulty ▁of ▁the ▁trail ▁is ▁listed ▁as ▁" mod er ate ." ▁ ▁E ru ptions ▁▁ 7 6 2 0 ▁BC ▁▁ 3 8 1 0 ▁BC ▁▁ 2 2 2 0 ▁BC ▁ ± 1 0 0 ▁years ▁ ▁E ruption ▁ho ax ▁ ▁On ▁April ▁ 1 , ▁ 1 9 7 4 , ▁a ▁local ▁pr ank ster ▁named ▁Oliver ▁" P ork y " ▁B ick ar ▁ign ited ▁ 7 0 ▁old ▁t ires ▁in ▁the ▁cr ater , ▁which ▁he ▁had ▁flow n