Sawtooth Spire radiowaves

she's terrible at climbing. that becomes obvious when the ground stops its gentle sloping and begins to pose a real challenge. helped along by @Moonshadow, the girl makes slow progress but is fast losing hope that the river really has an end. she's starting to imagine that it wouldn't be the concrete start point she'd thought it would have, either, as the river frequently branches off and is gradually thinning. 

begin to feel the strain, she stops, drinking deeply from the river. her gaze falls on the sheer rock that edges one side of the river, and the tiny droplets that drip from a crevice in the rock. aloud, she wonders, "does the water feel colder?" she's sure it does but isn't quite sure why. she'd have to climb a lot higher than she was physically able to to see the snow and ice on the top of the peaks; the true source of the river.