You know the drill. Over the season you’ve collected a short list of routes. The weekend comes, you pick one, and check the guidebook. But when you mention your plan to an experienced alpinist, they instantly say: " Oh, you don't want to go there now. Right now is the perfect season for Rušica ," or " Wait a few weeks. " It’s as if they carry an internal calendar with an entry for every week of the year. I wanted that calendar. I wanted to know what is actually climbed, and in good conditions, in any given month. Driving home from Rušica one day, I realized the problem: reports on Slovenian alpine club websites are barely indexed by search engines. Researching means digging through obscure sites one by one. So, I built a tool to fix this. Meet prviklin.si . It aggregates 97,000 climbing records (12,000 full reports and 85,000 short log entries where clubs note who climbed what and when) to answer one question: what should I climb right now? Here is what the sit...