Outdoor activities range from Nordic skiing, golf, fishing, yachting, lake cruises, hiking, kayaking among many others. The traditional Finnish pastime is cross-country skiing, the season lasting from December until January in the south and April in northern and central Finland. See http://www.ski.fi for more information. Wildlife is abundant in Finland. Bird-watching is popular for those fond of avifauna, however hunting is also popular. Elk and hare are common game in Finland. Olavinlinna in Savonlinna hosts the annual Savonlinna Opera Festival. During the short summer you can swim, fish or canoe in the lakes.