HomeUSAArizonaSouthern ArizonaMount Lemmon (Santa Catalina Mountains)Mount Lemmon (Catalina Highway)7 - Upper HighwayReef of RocksPoseidonAlong The Ley Line5.12Odyssey5.11-5.10+tradFA Steve Grossman, John Steiger, Pat Ellinwood, 1978UPDATED BY vietnguyen Tick this climbDescriptionRoutes in Poseidon1Supreme Seaweed Superhighway5.12aSport2Deep End5.13-Trad3Charybdis5.11+Trad4Heat Wave5.12-Trad5Every Trick in the Book5.11-Trad6Something Unsaid5.11-Trad7Along The Ley Line5.12Trad8Om5.10+Trad 9Odyssey5.11-Trad10Penelope's Tapestry/Fun5.8Trad