When the snow melts in spring, a beautiful waterfall appears in the Ötschergräben valley, and the red and yellow gentian and lilies also bloom here in abundance. And not far away is the fine snack bar: the Ötscherhias. ;-)
The tunnel bypass is only 500m past the Toten Weib, but the gorge-like section is really worth seeing! The most beautiful part of the Lahnsattel crossing (I think...)