We've been to Stol many times, but it always keeps making good impressions. The view from the top is absolutely gorgeous and the descent fascinating. The fast and grassy top section and the steep and technical bottom section keep you focused all the time. The ascent from the north side as it was done this time is very advisable in the summer since the south slope has no forest at all.
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 .