It was easily climbed, and I saw that it surrounded the mound at the distance of about fifty yards, in an irregular circle.
"The space which intervened between it and the mound was partially filled with great hewn stones planted all about, some of them lying on their side, some upright, many of them broken.

Going through these I came upon the mound itself.

It was crowned with a group of firs, which I could see at once to be much older than the surrounding trees.

They were far larger and taller, for the height of the mound did not entirely account for the extraordinary way in which they overtopped the rest of the trees.

The mound was very steep, and was apparently constructed of stones built carefully together; but only very small portions of the masonry were visible, it was so overgrown and hidden.
"Wandering round it I found a rude flight of steps leading to the top, also much overgrown.