A verdure of herbage clothes the valleys that have been scooped from the summits downwards.
The manufacture of cottons, and on a smaller scale of woollens, is special to Alsace, the chief centres of the industry being Mulhausen, Colmar and the valleys of the Vosges.
The Exe, Barle, Lyn and other streams, traversing deep picturesque valleys except in their uppermost courses, are in favour with trout fishermen.
The fir (Pinus sylvestris) and pine (Pinus abies) are the predominating trees Spruce is common, and even predominates in the higher parts (between the great valleys and immediately below the birch-belt) in the north of Norrland.
Passing the high and rugged Blue Ridge, which is infertile except in the intervening valleys of its S.W.
In the upper valleys of the Alps there are many local varieties, one of which at Ossola is like the Scottish blacklace.
The points of passage were commanded by high ground a little farther up where the valleys definitely diverge, and beyond the flank of the ill-concealed positions of the defence.
The lakes of the Alagoas coast, however, are long, narrow and deep, occupying valleys which were deeply excavated when the land stood at a higher level, and which were transformed into lakes by the elevation of the coast.
On the north-west side of the Pennine system, marked off from it by the upper valleys of the rivers Eden and Lune, lies the circular hill-tract whose narrow valleys, radiating from its centre somewhat like wheel-spokes, contain the beautiful lakes which give it the celebrated name of the Lake District.
In the valleys the soil is particularly fertile, yielding luxuriant crops of wheat, maize, barley, spelt, beans, potatoes, flax, hemp, hops, beetroot and tobacco; and even in the more mountainous parts rye, wheat and oats are extensively cultivated.