This just came across the wire. Why was he snowboarding at his age? Sonny Bono died in a similar way in a "winter accident", but will we ever get answers on this one ??? Here is more on the story...
R.I.P. Sylvester Stallone
THIS STORY IS STILL DEVELOPING...
Actor Sylvester Stallone is reported to have died shortly after a snowboard accident earlier today - January 19, 2013.
The actor & novice snowboarder was vacationing at the Zermatt ski resort in Zermatt, Switzerland with family and friends. Witnesses indicate that Sylvester Stallone lost control of his snowboard and struck a tree at a high rate of speed.Sylvester Stallone was air lifted by ski patrol teams to a local hospital, however, it is believed that the actor died instantly from the impact of the crash. The actor was wearing a helmet at the time of the accident and drugs and alcohol do not appear to have played any part in his death.
Additional details and information will be updated as it becomes available. This story is still developing
About Zermatt Ski Resort - While neighboring Gstaad is one of the world's top resorts with its three five-star hotels and St. Moritz is more popular, most rank Zermatt as Switzerland's top resort. A remarkably peaceful getaway, the village is peaceful thanks to its car-free environment. Amazingly picturesque, Zermatt holds the world's second biggest lift-served vertical drop and receives huge snowfalls thanks to its altitude.
Source:
http://sylvester.stallone.mediafetcher.com/news/top_stories/actor_skiing.php