Zelenci Springs is a small nature reserve west of Kranjska Gora, where clear green water rises at the source area of the Sava Dolinka. A short boardwalk takes you to the pools, with mountains and reeds framing the view.
It is an easy outing by bike, car, or bus-and-walk, and it is one of the best low-effort nature stops in the valley. Stay on the paths: the reserve is fragile, and the whole point is the clarity of the spring landscape.