HomeUSAArizonaSouthern ArizonaMount Lemmon (Santa Catalina Mountains)Mount Lemmon (Catalina Highway)1 - Lower HighwayChoo Choo RockChattanooga Choo Choo5.10+Fright Train5.10c/d5.9tradFA Don Wilson, Karen Wilson, Galen Dara Smith, September 2020UPDATED BY vietnguyen Tick this climbDescriptionRoutes in Choo Choo Rock1Blood on the Tracks5.9+Trad2Scream Engine5.10+Sport3Choo Choo Chaboogey5.8Trad4Chattanooga Choo Choo5.10+Sport5Amtrak Crack5.9Trad 6Fright Train5.10c/dSport7Coati Sleeper Car5.9Sport