A guide to Belfast and the counties of Down & Antrim . and Down are separated fromeach other by the Lagan river and Belfast Lough. Configuration. —The surface features of the twocounties present many contrasts ; aud the student may find,in this small area, much that will repay his approaching the city of Belfast from the sea he willobtain a good preliminary survey of the contrasts in a com-prehensive way. The county of Down presents a longcoast line, backed at some distance by hills of little apparentelevation. Antrim, on the other hand, has generally thecoast line dominated by st
A guide to Belfast and the counties of Down & Antrim . and Down are separated fromeach other by the Lagan river and Belfast Lough. Configuration. —The surface features of the twocounties present many contrasts ; aud the student may find,in this small area, much that will repay his approaching the city of Belfast from the sea he willobtain a good preliminary survey of the contrasts in a com-prehensive way. The county of Down presents a longcoast line, backed at some distance by hills of little apparentelevation. Antrim, on the other hand, has generally thecoast line dominated by steep escarpments, in places risingprecipitously from the sea as bold promontories and head-lands, or rising equally precipitously at no great distancefrom the present shore line. Inland is found a great plateaudipping gently to the west, covered with wide stretches offiat bog or deposits of glacial gravels and clays. The streams flowing inland from the top of the Antrimplateau are sluggish and serpentine, but those flowing over 58 Guide to Physical Features. 59 the edge of the escarpment to the sea are short and rapid intheir courses, carving deep valleys or notches in the edgeof the escarpment. County Down for the most part consistsof undulating hills of no great elevation, except in theextreme south, where the Mourne mountains rise to a heightof 2,796 feet above the sea. In Down, the slope of theriver-courses is more even, and as they flow into the seathey produce flats and become sinuous. These contrastsbetween the two counties are due to the difference in thenature and statigraphical characters and arrangement of therocks of the respective counties. Both counties have beensubjected to the same sculpturing and denuding agenciesin recent times, notably to glacial action, and subsequentlyto the usual modifying action of aerial and aqueousdenudation. County Antrim generally may be considered as a landowing its rocks to the Mesozoic and Cainozoic great series
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