Weather and snow is unpredictable but plan on it playing a factor and make plans for lower and higher country. There is a lot of road access up high and down low in that unit so you shouldn't have a problem getting around regardless of the weather. There are a lot of elk on the Manti and it has...
An ATV would help a lot on the Manti, if you don't bring it you will wish you had it. Lots of <50" roads. You should bring a spotter, especially if you are going to hold out for a trophy class animal, which you should. Elk are plentiful on that unit and a great 6 point bull should be an...