Planning is also part of mountaineering, not just walking! That's a very interesting part for me! During the week in the evenings I look at hribi.net and plan (even one-day) trips to make the best use of the weekend or outing!
You always plan the path according to your abilities!
Because what you can do in one day, maybe others can't!
There are many guides and maps on the market - use them!(http://www.pzs.si/trgovina.php;
http://www.pzs.si/izdelek.php?pid=351) You can also find a lot of useful stuff online:
http://www.pespoti.si/spp.php And more can be found!
Among the nicer two-day trips for me was Krn. You ascend from Lepena towards evening, overnight at Koča na Krnskih jezerih (very nice hut with hot water and good food), next day to Krn!
best regards ales