>>211677704
>build big pyre
>it's just wood so it sits there and doesn't really need much upkeep
>live at base of mountain
>trade off with some other guys for a week out of every month or so
>climb to the top, hopefully on a path
>long-term supplies already there for emergencies, probably given/brought supplies of your own for the short-term
>sit up there and check on the other pyres in viewing distance once every half hour to an hour
>take small sleeping breaks, hopefully you have a partner so you can go off and on with him and take turns keeping watch
probably not too much effort for the last seat of all western man in middle earth