United States of America

The united states border in the north on canada, in the south — with mexico, also have sea border with russia. Are washed by the pacific ocean from the west and the atlantic ocean — from the east.

Relief of north america the surface of north america is very various. At average height of the continent of 720 m above sea level, the most part has it heights from 200 to 500 m, 20 % are the share of lowlands. More than 25 % of the territory make heights over 1000 m. The highest point of north america — mount mckinley — 6193 m, the lowest — death valley — 85 m below sea-level.

In the united states of america about 18 thousand lakes are. The considerable part from them is in a northern part of the usa, near border with canada: according to hydrographers, only in states maine and michigan is 13,5 thousand lakes. The most known and the largest — the great lakes on northern border of the usa and canada, and also the well-known besstochnysalty lakes located in the big pool — the lowland between ridges sierra-nevada, the cascade and rocky mountains in the northwest of the usa.