But they all spend their time on one piste, which they prepare for racing, and the remaining 30 guests share the rest of the mountain.
Currently those fencers train on pistes which are not the full Olympic length, but British Fencing is believed to have found a venue in north London which it is keen to renovate.
The hotel has a ski resort, Slow Mountain, with almost seven miles of pistes, which only open when there is enough natural snow, and there's also a 1.8-mile sledge run on which, the story goes, TB sufferers made their final journey by toboggan.
That was on a piste, which isn't the safest.
Don't be tempted to judge Portillo from its piste map, which is surprisingly devoid of pistes, with only a few blue and black squiggles marked on it.
There are few proper black runs, but expert skiers are well served by the off-piste areas, which range from quite gentle descents on the Pierre Lory Pass to the bigger and tougher pitches of the Lac du Lou route.
"It's a very technical piste, which suits me perfectly," she said.
obergurgl.com Kaprun, Austria Kaprun and neighbouring Zell am See together offer 130km of pistes, 50km of which are found on the Kitzsteinhorn glacier, where snow is guaranteed 365 days a year.
"Backcountry" is American parlance for off-piste, which sounds much cooler, so I'm going to use it from now on.
My sister and I tend to get lost in woods when we're skiing off-piste, which I recommend.
