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The North Sister is seen to the left and the South Sister to the right.
The North Sister lies to our left and the Middle Sister is in the right background and the high peak this side of Middle Sister is half way up the slope.
Geologists believe that the Three Sisters region was originally covered by one great mountain which they call Mount Multnomah. The top and center of this mountain was blown off by a terrific explosion leaving...
The South Sister is the youngest and the highest of the three Sisters and also the most symmetrical. In this picture Broken Top is to our extreme right.
The black rock to our left is the North Sister and the Middle Sister is in the background. Collier Glacier is the largest in the state. It is about a mile and a half long, has an average width of 3000 feet and...
This is a view looking North across Horse Lake. Only the tops of the Sisters show above the timbered ranges.
This view shows the crater lake near the top of the South Sister. It is approximately 1/4 mile in diameter. During the summer, in this lake and around its shores at 10,000 feet elevation, one may enjoy...
The climb to the summit of this mountain can be made from any side but north, and from the top magnificent views are to be had in all directions. "Old crater-tops! Cloud bumped! Snow-white! Our mountains...