While mountain weather must always be an uncertain quantity, that of the Northwestern snow-peaks is comparatively steady, owing to the dry summer of the lowlands. During July and August, the snow-storms of the Alps are almost unknown here. After the middle of September, however, when the rains have begun, a visitor to the snow-line is liable to encounter weather very like that recorded by a belated tourist at Zermatt: First it rained and then it blew, And then it friz and then it snew, And then it fogged and then it thew; And very shortly after then It blew and friz and snew again. =Erratum.=--On page 72, I have been misled by Dryer's statement into crediting the first ascent of Mount Hood to Captain Samuel K. Barlow, the road builder. The mountain climber was his son, William Barlow, as I am informed by Mr. George H. Himes, of the Oregon Historical Society. INDEX Figures in light face type refer to the text, those in heavier type to illustrations. Adams, Mt., Indian legend of its origin, 43; routes to, 66, 67; structure and glaciers, 89-104; lava flows, 93-97; tree casts, 94; caves, 94-96; routes to summit, 96-100; name, 103; height, 104; first ascent, 104; views of, =8=, =15=, =17=, =31=, =63=, =86-107= Adams glacier, Mt. Adams, 100, =103=, 104, =106= Alps, character and scenery, 60 Archer Mountain, =29= Arrowhead Mountain, =29=, =31= Astoria, 51, =16=, =21= Automobile roads, 140 Avalanche glacier, Mt. Adams, 100, 107 Barlow, William, ascent of Mt. Hood, 72, 79, 142 Barlow road, 70, 142, =78= Barrett Spur, 86, =57=, =69=, =75= Bibliography, 141 Blue Mountains, 18, 24 "Bridge of the Gods," Indian legend, 36-43; =21=, =35= Bryce, James, on Northwestern mountains, 60 Cabbage Rock, =47= Cape Horn, =19= Carbon glacier, 102 Cascade locks, =39= Cascade Mountains, 18, 24, 25, 28, 30, 58-66 Castle Rock (Columbia River), =28=, =29=, =31= Castle Rock, Wash., 106 Cedars, group of red, =128= Celilo Falls (Tumwater), =52=, =54= Chelatchie Prairie, =114= Chinook wind, Indian legend of its origin, 46-48 Climate, 142 Cloud Cap Inn, 15, 67, 78, =57=, =58=, =60=, =66= Coast Range, 58 Coe glacier, Mt. Hood, 78, 80, 83-86, =69=, =72=, =75= Columbia River, John Muir's description, 15; dawn on, 15-23; its gorge, 30; Indian legends of its origin, 36-43; its discovery by Capt. Gray, 51; struggle for its ownership, 50-52; its settlement, 52; views of, =7=, =9=, =14-52=, =56=, =109= Columbia Slough, =18=, =21= "Coming of the White Man," statue, =23= Cooper Spur, Mt. Hood, 79, 80, 87, =57-60= Crater Rock, 81, 87, =77=, =80= Dalles, The, 18, 39, 96, 107, =46=, =47=, =49=