No, there isn't a tram. You just drive up to the parking area, have a nice meal, walk around a bit, look at the Native American handcrafts, and then that's about it. A great place to relax, but not a lot to do. In the summer some hiking trails will be open. The road, by-the-way, doesn't go anywhere close to the top of the mountain. I was up there two weeks ago and the snow was melting rapidly. It could be gone by now.

Heavy with snow. There is an avalanche warning at this time and with this area being as popular as it is people continue to come so it is very busy. Chains are required. Parking is almost impossible because parking is prohibited along side the road in most areas. Snow play towards Lee Canyon is the best area but weekends are the busiest time. But if you can get there through the crowds good luck. Hope that helps.

From the approach road to Mt Charleston, south entrance, stop at the Spring Mountain Visitor Center. It's very nice and they were very helpful. That's how we got started. I'm sure you can find the type of trail you're looking for. Also, this area is much easier to deal with than the Red Rocks. You can hike paved trails right there by the Visitors Center.

There is no "public transportation," per se, but there are a number of buses and tours that you can take from the strip. We had a rental car, but there are day trips, etc. that can get you there. Take advantage of the opportunity!

Fui final de novembro e tinha sim muita neve.

should be no problem. We have a small Chevy Cruz and it went up with no problem. The grade is not real steep and progresses slowly. If you go, have a great time!