rainbow on trummelbach falls - a series of ten glacier-waterfalls inside the mountain. lauterbrunnen-stechelberg valley

alpine alps bern berner bernese canton canyon cascade cave chute corkscrew drain europe european falle falls flow gorge holiday interlaken landmark lauterbrunnen lower mountain narrow natural nature oberland raging rainbow rock schweiz snow splash stone stream suisse swiss switzerland tourism tourist travel trummelbach trummelbachfalle underground vacation valley water waterfall