Though my object in climbing the Feitsberg was very
different, my surprise and delight in unexpectedly catching
Ehrenbreitstein at the distance of twenty-four miles even served to
withdraw my attention some time from geologizing, or from the scene
close under me. I recollect the same sensation on descrying Gravelines
sometime ago from the heights of Dover Castle, not believing the
distance to be within the powers of the telescope. True indeed is it
that
"Tis distance lends enchantment to the view.
And robes the mountain in its azure hue."
I was now in a rude and barren country, presenting a strong contrast to
the soft scenery I had left, and consisting of an elevated mountain
plateau, or table land of slate of the Greywacke sort, the heights on
the eastern side of the Rhine being of the same level, and the channel
of the river appearing as a narrow valley, which the eye overlooks
entirely. This table land is studded with isolated hills of volcanic
formation, and of a conical form, some of them having central funnels or
craters, from which the ancient eruptions have issued. The most complete
are the Hirschenberg, near Burgbrohl, the Bousenberg, between that
village and Olburg, the Poter, Pellenberg, and the Camillenberg, which
last rises about one thousand feet above the level of the surrounding
surface.
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