How much snow did La Rosière 1850 get this ski season and over the last several seasons? Check out the ski resort historical snowfall using the graph, La Rosière 1850 snow stats—such as Total Snowfall, Max Base Depth, Biggest Snowfall, Total Snowfall Days and Average Base Depth. To see how much snow La Rosière 1850 got last ski season or any ski season dating back to 2009/2010, click the corresponding tab.