le loir est une rivire du centre de la france y a til des loirs?

http://fr.images.search.yahoo.com/images/view?back=http%3A%2F%2Ffr.search.yahoo.com%2Fsearch%3Fei%3DUTF-8%26p%3Dloir%26rd%3Dr1&w=143&h=160&imgurl=www.bing.com%2Fimages%2Fsearch%3Fq%3Dloir%23focal%3Daf01415e6835eb4a0050e775f4ea1b29%26furl%3Dhttp%253a%252f%252fwww.zoogeo.ulg.ac.be%252fimages%252floir-m21.jpg&size=&name=search&rcurl=http%3A%2F%2Fwww.bing.com%2Fimages%2Fsearch%3Fq%3Dloir%23focal%3Daf01415e6835eb4a0050e775f4ea1b29%26furl%3Dhttp%253a%252f%252fwww.zoogeo.ulg.ac.be%252fimages%252floir-m21.jpg&rurl=http%3A%2F%2Fwww.bing.com%2Fimages%2Fsearch%3Fq%3Dloir%23focal%3Daf01415e6835eb4a0050e775f4ea1b29%26furl%3Dhttp%253a%252f%252fwww.zoogeo.ulg.ac.be%252fimages%252floir-m21.jpg&p=loir&type=&no=3&tt=110&oid=http%3A%2F%2Fts4.mm.bing.net%2Fimages%2Fthumbnail.aspx%3Fq%3D1513339561419%26id%3D66df832713753c9397f779a77ef8f35d&tit=Le+Loir&sigr=14e46r70s&sigi=1472rsogi&sigb=11nsvdv2a&fr=mkg029