I might have access to private land...
...down in South Park.
I had a classmate this spring term who owns an off the grid cabin on Reinecker Ridge. Access to the top of the knob would put antenna base elevation at or above 10,200 feet elevation.
David D. Bosley
Call Sign: KD0DHK COHVCO: #4409 AMA #222838
1997 White Toyota Tacoma (aka TruckWagon)
2007 Blue Suzuki DR 650 (aka TigerCub)
2002 Roulette Green Triumph Tiger 955i
2003 Silver Triumph Tiger 955 (RIP)