Metropolitan France topographic map

Paris in its early history had only the rivers Seine and Bièvre for water. From 1809, the Canal de l'Ourcq provided Paris with water from less-polluted rivers to the north-east of the capital. From 1857, the civil engineer Eugène Belgrand, under Napoleon III, oversaw the construction of a series of new…

Average elevation: 246 ft

Average elevation: 69 ft

Average elevation: 10,161 ft

Average elevation: 3,396 ft

Average elevation: 243 ft

Average elevation: 568 ft

Average elevation: 463 ft

Average elevation: 505 ft

Average elevation: 0 ft

Average elevation: 1,348 ft

Average elevation: 39 ft

Average elevation: 144 ft

Average elevation: 1,188 ft

Average elevation: 627 ft

Average elevation: 623 ft

Average elevation: 157 ft

Average elevation: 33 ft

Average elevation: 1,991 ft

Average elevation: 3,573 ft

In the late Quaternary, the current topographic physiognomy was formed—i.e. a set of hills overlooking a swampy lowland. The promontory of Bassussarry–Marracq ultimately extended to the Labourdin foothills. The Grand Bayonne hill is an example. Similarly, on the right bank of the Nive, the heights of…

Average elevation: 75 ft

Average elevation: 338 ft

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Average elevation: 610 ft

The resort was founded in 1964 and has an altitude range of 1,850 m (6,070 ft).

Average elevation: 6,768 ft

Average elevation: 3,451 ft

Average elevation: 164 ft

Average elevation: 5,105 ft

Average elevation: 4,065 ft

Average elevation: 7,904 ft

Average elevation: 2,677 ft

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Average elevation: 3,488 ft

Average elevation: 4,728 ft

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Average elevation: 56 ft

Average elevation: 2,129 ft

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Average elevation: 236 ft

Average elevation: 5,863 ft

Average elevation: 3,294 ft

Average elevation: 4,514 ft

Average elevation: 36 ft

Average elevation: 2,169 ft

Average elevation: 276 ft

Average elevation: 469 ft

Average elevation: 194 ft

Average elevation: 3,658 ft

Average elevation: 3,671 ft

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Average elevation: 10,577 ft

Average elevation: 6,030 ft

Average elevation: 102 ft

Average elevation: 2,644 ft

Average elevation: 837 ft

Average elevation: 259 ft

Average elevation: 49 ft

Average elevation: 988 ft

Average elevation: 5,810 ft

Average elevation: 1,847 ft

Average elevation: 853 ft

Average elevation: 26 ft

Average elevation: 2,438 ft

Average elevation: 3,980 ft

Average elevation: 1,296 ft

Average elevation: 6,155 ft

Average elevation: 404 ft

Average elevation: 2,362 ft

Average elevation: 502 ft

Average elevation: 105 ft

Average elevation: 20 ft

Average elevation: 7 ft

From the west, the climb starts at Les Clapier, near Le Bourg-d'Oisans, from where the climb is 34.2 km (21.3 mi) long, gaining 1,312 m (4,304 ft) in altitude, at an average gradient of 3.8%, with the steepest section being at 7.5% in the first kilometre.

Average elevation: 7,418 ft

Average elevation: 4,206 ft

Average elevation: 1,309 ft

Average elevation: 482 ft

Average elevation: 486 ft

Average elevation: 1,309 ft

Average elevation: 932 ft

Average elevation: 597 ft

Average elevation: 4,875 ft

Average elevation: 515 ft

Average elevation: 797 ft

Average elevation: 121 ft

Average elevation: 3 ft

Average elevation: 866 ft

Average elevation: 236 ft

Average elevation: 686 ft

Average elevation: 463 ft

Average elevation: 617 ft

Average elevation: 531 ft

Average elevation: 128 ft

Average elevation: 56 ft

Average elevation: 115 ft

It is low-lying and largely barren, with some scattered grasses, and a few clumps of coconut palms (Cocos nucifera). Land elevations average 2 m (6.6 ft), though a small volcanic outcrop rising to 29 m (95 ft) on its south-east side is considerably higher and is referred to as 'Clipperton Rock'.[13] The…

Average elevation: 0 ft

Average elevation: 2,785 ft

Average elevation: 666 ft

Average elevation: 220 ft

Average elevation: 3,261 ft

Average elevation: 899 ft

Average elevation: 1,867 ft