Back in 2009 the Soča Valley MTB guide was published in Slovenian and English version. All copied have been sold right away, but until now it still stand out as one of the most comprehensive source of MTB trails in the valley, from Kanal region all the way up until the steep hills of Julian Alps. Here are some interesting facts about the trails in the valley - PDF presentation .
Mountain bike trails in the Soca Valley, Slovenia.