It's the reverse of what I said in the other thread. It's a total of 12 miles climbing - six of them at 5 - 6%. The Mountain Directory (a purchase I highly recommend) says it "...can be a severe test on engine cooling systems in the summer." I still don't know of a better route.
Rob
Edit: my wife is the smart one in the family... she says unhitch the tow'd and drive it separately and/or drive it at night.
U.S. Army retired
2020 Solitude 310GK-R
MORryde IS, disc brakes, solar, DP windows
(Previously in a Reflection 337RLS)
2012 F350 CC DRW Lariat 6.7
Full-time since 8/2015