+1 on Cunerous response. Plan for the worst. Weather changes quickly. Always leave a route, timetable and pack list at your departure point and with your point of contact in-case of Search and Rescue.
Onto the question of how to find those high alpine deer. Contact your Wildlife Department and ask if they have any Deer / Elk population and habitat studies published for the area you intend to hunt. Call and talk to the Forestry department as well as the Fish and Wildlife Staff. Our Federal Forest and Wildlife groups have excellent knowldege and are normally happy to help.
Your state Wildlife office should have a biologist team on staff. They normally respond to consice to the point questions.
Those high country animals need food, shelter and water. Look and read up on your selected areas habitat and population reports. If you are out west get hold of previous years burn out areas.
efforts. Break the mold. Don't follow the normal human habit of waking at 5am, coffee, then head up the hill. Wake early, 2-3 am. Get in position before the twilight hits in the best viewing area you can find. Then Glass. I have read and seen it many times...Move less, glass more. You will see other hunters on the hillside that are running around like jackrabbits. Let those guys spooke the deer and watch how the deer react and where they go.
The big ones don't hang out too much with a group of does until the rut. Look at heavy patches of aspen and high mohogany near feed areas with good direct access to food, water, shelter and where those big one would be likely to have a concealed escape route nearby.
I often enjoy the stalk more than the kill.