Take along this summit and move it across a range, visiting more summits. One summit after another you take the summit along to. By covering this many summits, you notice there's a string of mountains. This is a mountain range!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own. Watch out for the rendaku.
Today’s mountain range cleared up nicely and the view is great.