Despite being below 2,000 feet (610 metres) in elevation, it is the highest point for about five miles (eight kilometres) in any direction; a consequence of the curious fact that the centre of the district is lower than the surrounding parts.
High Seat sends out the spur of Dodd to the north west, separated from the body of the fell by Ashness Gill — a feeder of Watendlath Beck.
It is cut off from the reservoir by the lower parallel ridge of Raven Crag and High Rigg and instead makes a beeline for the River Greta.
[1]) Below Threefooted Brandreth on the eastern slope, sitting on a shallow saddle above Mere Ghyll is the Litt's Memorial.
As recorded in the "English Lakes Visitor and Keswick Guardian" for March 1880: Man found dead on the mountains – Early on Wednesday morning it was reported that two men, named John Litt and John Vickers, who had been following the Blencathra hounds the previous day had not returned.
There is a small bed of volcaniclastic sandstone to the south while the northern slopes are predominantly garnet-bearing porphyritic andesite.
[2][4] By parking near Ashness Bridge on the road to Watendlath, access to the western side of the ridge can be gained at high level.
From further up the road at the base of Reecastle Crag a more direct line is possible, or the climb can be made from Watendlath itself, first ascending High Tove via the zig-zags.
Eastern approaches begin on the A591 at Rough How Bridge, making a start along the secluded valley of Shoulthwaite before heading up the fellside in the vicinity of Mere Gill.