was scots pine and later followed by spruce, birch, beech and oak. Tisvilde Hegn is the oldest plantation in Denmark and now a Natura 2000 area, due to its rare habitat-types, flora and fauna and important birdlife. This area is a part of the Kongernes Nordsjælland National Park. Some of the species protected here are northern crested newt and large white-faced darter. The coastline at Tisvilde Hegn is known for its stretches of white, clean and child-friendly sandy beaches. Springs Helene Spring is one of Denmark's most famous springs, and legend has it that anyone whose illness has not responded successfully to other forms of treatment must come to the spring on 23 June (Sankt Hans Eve or Midsummer's Eve). Culturally, legend in Denmark has it that if one consumes a certain amount of water from its springs in the night and then stays at Saint Helene's grave until morning, he should be cured of all his sicknesses. Manmade Tibirke Church was built on the site of an ancient "vi", a pre-Christian holy place. At the foot of the church near Bækkebrovej is a spring which may have been the place where pilgrims came in days of old. The church was originally the center of a small village with 10 farms, but they were all (including Tibirke Church) buried by drifting sand dunes and abandoned by order of the King in 1725. Helene's Tomb is now a rectangular, grazed area surrounded by low stone fences. The two boulders leaning against each other indicate Helene's Tomb. It is located at Sankt Helenevej, 3220 Tisvildeleje. Wieth-Knudsen Observatory built in 1959, is located in southern part of the town. The observatory is offering astronomical meetings open to the public, twice each month throughout the year. Events and activities Being a popular summer destination for tourists, the level of activity is at its peak during the summer months. Examples are: Tisvilde flea market. Every Saturday throughout the summer a large, lively flea market (Tisvilde Loppemarked) is held in the Birkepladsen in front of Tisvildeleje station. The flea market is exclusively for private individuals, which means stalls full of unique finds from box-rooms and attics. Musik i Lejet (English: Music in "Lejet"). An annual outdoor music festival held each summer. Tisvilde Yoga Festival An annual Yoga festival held in the summer by Tisvildeleje beach Notable people Johannes V. Jensen (1873–1950) a Danish writer, awarded the