Virje Waterfall Virje Waterfall
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NATuRE TRAIL Občina Bovec the secret trails of the Kanin karst waters www.bovec.si Virje waterfall at different water levels dificulty 1 VIRJE WATERFALL THE TRAIL >1h 1km AnD The spring of Glijun The »Glijun and Virje – the secret trails of the Kanin karst LEGEND VIRJE WATERFALL waters« thematic nature trail enables visitors a chance to info AnD The spring of Glijun a l o n g the emerald trail discover the complex and mysterious karst dephts world of Kačje brdo i info point T1 thematic point the Kanin Mountain Range. In it, big quantities of water the secret trails flow from waterfall to waterfall, from crack to crack and P parking lot hiking trail from stone to stone. Most of the water sources spring out on relatively few spots at the southern foot of the Kanin R viewpoint road of the Kanin Mountain Range. In the cases of the Boka Waterfall and stream, the spring of Glijun or Nemčlja in the Možnica Kanin karst waters valley, the water sees the light of day in the form of a big Srednje čelo waterfall or almost a river. Apart from that, also smaller i springs or streams can be found in the area. kova jama I č BOVEC Ma Alpe Adria Trail THE PATHS OF WATER DROPS Pl. na Pečeh Č Krničar Heavy rainfall, water-rich rivers and snowy mountains KLUŽE With an average yearly rainfall of 3500mm, the Kanin PREDEL PLUŽNA Mountain Range is considered to be one of the richest Kladenki i P VIRJE i BOVEC in Slovenia in terms of water. Sometimes, the amount of 450 mKoritnica TRENTA yearly rainfall even exceeds 4000mm. This is reflected in Spring of Glijun i Virje PLUŽNAWaterfall VRŠIČ P E 430 m BOKA the high water levels of the rivers and Kanin karst springs. info Boka GlijunT1 Soča The waters are the highest in spring and autumn, which all T2 fans of river sports are well aware of. Due to snow melting ČEZSOČA Glijun in the mountains, the high waters and good navigability ŽAGA KOBARID KAL-KORITNICA are usually retained until mid-summer. Snow is the main GOLF T3 Plužna reason for high water levels in the spring and summer. The ETNOlake BOVEC LETALIŠČE winter snow cover on the Kanin Karst Plateau is usually more than five meters deep, in karst depressions it can reach Srnica a depth of more than ten meters. High water level in the autumn is usually associated with abundant autumn rains. 0 m 100 m 200 m Alpe Adria Trail Cave Srnica The mysterious paths of water drops ŽAGA,BOKA What happens to a drop of water when it falls on the bare KLUŽE karst surface of the Kanin Mountain Range? It first flows Lead partner and editor: En Hec d.o.o. Pravljica v Bovcu concept, project and manager: PREDEL on a karst rinennkaren and slowly deepens it in doing so. Metka Belingar. Author of trail content and Slovene texts: dr. Jurij Kunaver. Expert BOVEC revision: dr. Blaž Komac. Translations: Evridika Cuder. Photography: Metka Belingar, i Sometimes it starts to make its way further into the moun- VIRJE Koritnica LEGENDA T1 Jurij Kunaver, Dejan Ristić, Matjaž Vidmar. Graphic design and illustrations: Metka PLUŽNA i - informativna točka - učne točke tain by percolating through the limestone gravel. It can also Belingar. Prepress and printing: Copigraf. Quantity: 2500 copies. Bovec, 2014. KAL-KORITNICA / LEGEND info pints tematic points - parkirni prostor - pohodniška pot This document has been produced within the project Pravljica» v Bovcu« with the BOKA P parking place fall on a snow cone and remain preserved in the karst depres- TRENTA walking trail financial assistance of the European Agricultural Fund for Rural Development. The Glijun LETALIŠČE Soča Bovec Boka VRŠIČ R - razgledna točka - cesta sions or kotliches until the snow starts to melt in the summer. Managing Authority Rural Development Programme for the period 2007-2013, the view point road 0 m Ministry100 m of Agriculture200 m and 300the Environment. m 400 Responsiblem 500 for m the content: EN HEC d.o.o. Or it immediately slides to great depths on a karren. The ČEZSOČA ways in which it can reach the source are numerous! ŽAGA PO MOČ ROŽ Plužna The pools below the waterfall carved in the rock have a depth of KOBARID The water in the karst underground PANORAMA approximately 3.5m. The average water temperature is 8 °C. ETNO BOVEC In the karst underground water gradually forms larger water- courses. Its paths run much like tree branches. Only cavers other thematic nature trails around Bovec can discover them, but even for them this undertaking is usually hard, since running water in the form of subterra- TIC Bovec Tel: +386 (0)5 384 19 19 nean lakes and siphons often blocks their way. Water conta- Trg golobarskih žrtev 8 Gsm: +386 (0)31 388 700 ining free CO2 has the capacity to dissolve limestone. A liter 5230 Bovec, Slovenia E-mail: [email protected] of water of the nearby spring of Glijun contains 95mg of CaCO3. Rain- and meltwater also contain dissolved carbon dioxide. Vast quantities of water have so far dissolved so much rock on their way from the surface to the spring that project by: En hec d.o.o. the surface has lowered by several ten meters every billion Evropski kmetijski sklad za razvoj years. This has caused the creation of large karst caves and podeželja: Evropa investira v podeželje. Projekt sofinancira EU. www.bovec.si typical eroded surfaces, or karst. Glijun at different THE SPRING OF GLIJUN water levels The Plužna altitude: 430m Below: the Plužna dam accumulation lake lowest discharge: 0,1 – 0,15m3/s average discharge: 0,25 – 0,5m3/s average water temperature: 6°C water hardness - total: ~5°GH THE KARST SPRING OF GLIJUN EXPLOITATION OF GLIJUN WATER The source of the stream of Glijun arises at an altitude of FOR THE HEPP PLUŽNA approximately 430m in a small valley head at the foot of HEPP Plužna was built between 1927 and 1931 during the walls of Peči. The spring is filled up with glacial mate- the Italian state administration of the Upper Soča Valley, rial and slope gravel, so the water must find its way out to when additional electricty was needed for the planned the surface among many stones. Bedrock basis is not far construction of a railway between the towns of Most below the surface, as it can be seen in the side stream bed na Soči and Tarvisio. Since the construction never took of the occasional stream of Srnica, where the water has place, the HEPP Plužna later served the electrifica- carved out a narrow gorge and erosion hollows. tion needs of the Upper Soča Valley. The plant utilizes the energy of a strong and permanent karst spring of Where do the waters of Glijun and Boka come from? o Glijun. Soon after the water comes out from the source, Raccol Lag Jerebica ana el ca Glijun is one of the largest karst springs in the area and/R ekl o d 2126 i it flows into a 170m long channel to a water reservoir anica Ri tn ri one of the few if not the only one that never runs dry. o alsoBriceljk known as the Plužna lake. From the lake, the water 12 K 2346 It very quickly responds to rainfall. Its drainage basin ABISSO GOR TANI flows along a one kilometer canal until it reaches a steel 11 covers a large part of the central Kanin Mountain Range,I T A L Y Hudi Vršič pressure pipe and finally falls 66m into the so called 2344 particularly the Kanin Karst Plateau and the slopes below ^RNELSK O BREZNO Francis turbine. The water reservoir is filled or emptied them. The western part of the mountain and the highest Prestreljenik according to the demands for electricity or in relation to Racc 2499 ago Rombon Bav{ki Grintavec olan ČEHI 2el L Jerebica a parts of the Kanin Karst Plateau feed the Boka waterfall. a/R d 2208 ic the water2347 supply. This can significantly lower its water Visoki Kanin eklan SKALARJEVO io 2126 n ica R it Due to the high position of the drainage basin the Boka2587 r level. The installed power of the HEPP Plužna is 1.720 BREZNO ns VANDIMA o Briceljk 12 ai K 2346 arises around fourteen days later than GlijunR in the spring ABISSO GORntTANI MW with an annual production of 5,300 MWh. es ou 11 time. The average discharge of Glijun iisa about 0.5m3/s, M Hudi Vršič /R T he IKTaAniLnY 1 ez 2344 the lowest is about five times smaller. The ijaverage annual ^RNELSK O BREZNO Underwater canal of the Plužna accumulation lake a Velika Baba Prestreljenik 4 5 3 2 temperature of the spring water is about 6°C. 2137 2499 Rombon Soča Bav{ki Grintavec MALA BOKA ČEHI 2Bovec 2208 2347 Vrh Planje Visoki Kanin 8 SKALARJEVO 2587 BREZNO6 s in Characteristics of the spring water 1663 Slap Boka 7 ain VANDIMAas R 9 10 nt B es u ec Even in the coldest and most dry winter, moreia than Mo T he B ov / T h anin Javoršček1 Učja Re e K hundred liters of water flow flows into the Glijun zspringij Učja 1557 a Velika Baba 4 5 3 2 every second. Its average temperature is the highest at this 2137 Žaga MALA BOKA Bovec Soča time of year (+7°C), whereas the spring and summer waterVrh Planje 8 n 1663 Slap Boka S 7 L6 O V E N Is i A is about 2°C lower.