The Brünig Pass, at an altitude of 1,008 m (3,307 ft), connects the Bernese Oberland and central Switzerland, linking Meiringen in the canton of Bern and Lungern in the canton of Obwalden. It is on the watershed between the upper reaches of the Aare, which flows through Lake Brienz and Lake Thun, and the Sarner Aa, which flows into Lake Lucerne.
The pass is crossed by the Zentralbahn's Brünig railway line, between Lucerne and Interlaken, and that line's Brünig-Hasliberg station is situated in the pass. The pass is also crossed by the A8 motorway, between Lucerne and Spiez. Both rail and road crossings are normally kept open throughout the winter.
The new post-road over the Brünig ascends to the left in long windings through wood , affording occasional views, enters Canton Bern, and reaches (3 1/2 M. ) the summit of the Brünig Pass (3396 ') , beyond which is the Hôtel Brünigkulm .
Fine prospect from the Wyler Alp (4856'), 1 1/2 hr. N.W. of the Brünig ; more extensive view from the Wylerhorn (6581') , 3 hrs. from the pass.
Bædeker Switzerland (1877) Route 23 page 80