- Adireshin: Lac souterrain de Saint-Léonard, Wallis, Switzerland
- Yanar Gizo: lac-souterrain.com
- Matsakaicin zurfin: 4 m
- Yanki: 6,000 m²
- Zuwa ziyara: daga Maris 19 zuwa Nuwamba 1
- Ziyarci lokacin: 09: 00-17: 00, a watan Satumba - har zuwa 5:30 na yamma
- Kudin da za a ziyarta: 10 francs Swiss
Lake Saint Leonard, wanda ke zaune a cikin ƙauyen Valais a cikin yankunan da ke da kyau a Switzerland , shine mafi yawan ruwa a karkashin ruwa a Turai. An san shi a duk faɗin duniya tun 1943, amma a shekarar 2000, saboda rushewar dutse mai girma, an rufe shi don ziyarta. Bayan da aka gudanar da ayyukan ginawa don ƙarfafa tarin kogo tun shekara ta 2003, tafkin na iya sake ziyarci tafkin ta hanyar masu yawon bude ido daga ko'ina cikin duniya.
Tarihin tafkin
A cewar mutanen gida, ana san tafkin Saint-Leonard a gabansu kafin masana kimiyya suka gano su. A zamanin d ¯ a, mutane sunyi amfani da ruwan sanyi na tafkin karkashin kasa don zama mai sanyaya ga shayar da aka samar. Nazarin kimiyya na Lake Saint-Leonard ƙarƙashin jagorancin masanin kimiyya Jean-Jacques Pitar ya fara a 1943. Tuni a shekara ta 1944, an tsara taswirar zane-zane na kogon da tafkin. Tun 1946, tafkin Saint-Leonard ya zama bude ga dukan masu shiga. Zaka iya ziyarta a cikin tsarin fasinjoji na 20 da aka gudanar a harsuna da dama.
Yankunan tafkin
A mataki na farko na bincike na kimiyya, matakin ruwa a Lake St. Leonard ya kasance mai girma cewa nisa daga kogon dutse zuwa saman ruwa kawai 50 cm ne kawai, amma saboda sakamakon girgizar kasa na 1496, wani ɓangare na ya bar tafki. Saboda yalwar yumbu da gypsum a cikin ruwa, an kwantar da hanyoyi a cikin duwatsu. Wannan shi ya sa matakin ruwa ba a canzawa ba a halin yanzu. Lake Saint Leonard yana da wadannan sigogi:
- tsawon - 260 m;
- nisa - 14-29 m;
- ruwan zafi yana da digiri 11.
Lake Saint Leonard yana cikin kogo da aka kafa a cikin Triassic lokacin kimanin miliyan 240 da suka wuce. Duwatsu da aka gina kogon sun hada da shale, graphite da quartzite kankara. Bugu da ƙari, a sassa daban-daban na kogon za ka iya samun wadannan duwatsu: gypsum, anhydrite, sparcous spar, marble, mica shale, granite, baƙin ƙarfe kuma mafi yawa. Idan aka kwatanta da irin wannan duwatsun, flora da fauna na Lake Saint Leonard a Siwitsalanci ba su da yawa. Daga cikin ciyayi a nan za ka iya samun kawai kore da jan ƙarfe ganga.
A cewar masu binciken, a cikin kogo sun kasance sun kasance suna shaye-raye, kwarewa, maciji da damuwa. Yanzu kogon, inda tafkin Saint Leonard yake, yana zama a matsayin mazaunin datsuna. Don inganta yanayin jihar Lake Saint Leonard, an fitar da yawan adadin bakan gizo da tafkin tafkin. Wadannan kifi suna rayuwa a cikin shekaru 8. Irin wannan ɗan gajeren lokacin yana hade da magungunan da ke cikin nau'in kifi.
Yadda za a samu can?
Kuna iya zuwa Lake Saint-Leonard biyu da kuma ta hanyar sufuri . Ga matafiya da suka fi so su yi tafiya a kusa da kasar ta amfani da mota, motoci kyauta yana kusa da tafkin. Akwai kuma kantin sayar da kayan ajiyar da kuma karamin cafe inda za ku ci kafin hanya.
Mutanen da suke so su yi tafiya ta hanyar sufuri na jama'a za su iya zuwa lake Saint-Leonard ta jirgin. Daga Bern za'a iya tafiya a kan hanyar zuwa birnin Fisp zuwa tashar mai suna Saint Leonard, kuma daga Geneva ta birnin Sion. Wannan tafiya yana kimanin sa'o'i biyu.
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