Skelfhill Pen and Grey Pen Loop

This medium-grade loop in the Scottish Borders packs a lot into roughly 6 km / 3.7 miles, with about 300 m / 984 ft of ascent. The route is short enough to feel manageable for reasonably fit walkers, but the climbing is concentrated enough to make it feel like a proper hill outing rather than an easy countryside stroll. The walk is centred on Skelfhill Pen, a 532 m / 1,745 ft hill with a trig point and cairn, and usually returns by way of neighbouring Grey Pen. Sources place the route near Teviothead, around 8 km / 5 miles southwest of Hawick, with the usual access being from a small roadside parking area below the track to Skelfhill Farm. (themountainguide.co.uk)

Expect a route that begins on a farm or estate track before moving onto open hill ground. The first section is usually the most straightforward underfoot, giving you a chance to settle in before the gradient begins to bite. Once the track gives way to rougher upland terrain, the climb becomes more sustained, and in wet weather the ground can be soft, slick, or peaty in places. Although the total distance is modest, the combination of exposed slopes, open moorland, and a fairly direct ascent means this walk is best treated as a hill route where windproof layers, waterproofs, and reliable navigation matter. For navigation, HiiKER is the best tool to have ready before setting out.

What the route feels like

The ascent toward Skelfhill Pen is the main effort of the day. Over the first half of the loop, you gain most of the 300 m / 984 ft of elevation, so the walk tends to feel front-loaded. A useful way to think about it is in three parts: an easier approach on track, a steeper pull onto the hill, and then a more open linking section across to Grey Pen before descending. That structure makes pacing important; walkers who start too quickly on the lower track often feel the climb more sharply higher up.

Near the top of Skelfhill Pen, the hill’s distinctive shape becomes more obvious, and the summit area is marked by a trig point and cairn. This is one of the main landmarks of the route and a natural place to pause if conditions allow. Views extend across Teviotdale and the surrounding Border hills, with the rolling, stepped character of the Southern Uplands especially noticeable in clear weather. NatureScot describes the Borders landscape as being strongly shaped by ancient greywackes, siltstones, and shales, which helps explain the broad upland forms seen from the ridge. (geologynorth.uk)

From Skelfhill Pen, the loop toward Grey Pen adds variety rather than major extra distance. This section can feel more remote than the approach because there are fewer obvious man-made reference points once you are away from the initial track. In mist, the rounded terrain can make direction less intuitive than it first appears, so this is the part of the walk where careful line-following matters most. The descent back toward the start is generally quicker, but tired legs and wet grass can make it slippery, especially after rain.

Landmarks, geology, and character

One of the most interesting things about this walk is that the hills are not just scenic; they are geologically unusual. Geology North notes that Skelfhill Pen includes phonolite to phonolitic trachyte, while Grey Pen features trachyte intrusions within older Silurian greywacke host rock. That gives these hills a significance beyond their height, and it helps explain why the ridges and crags stand out so distinctly in the local landscape. (geologynorth.uk)

Skelfhill Pen also has a literary connection. Geology North quotes Sir Walter Scott referencing “Skelfhill-pen,” which places the hill within the wider cultural landscape of the Borders, a region deeply tied to ballad tradition, reiving history, and romantic literature. More broadly, NatureScot describes the Scottish Borders as a landscape shaped by centuries of cross-border tension, settlement, and movement, including the historic Marches that once formed a buffer along the Anglo-Scottish frontier. (geologynorth.uk)

The wider Teviotdale area carries that frontier history strongly. Teviothead itself is associated with the 1530 capture and execution of the Border reiver Johnnie Armstrong by James V, a reminder that these quiet hills sit in a region once defined by conflict, clan loyalties, and shifting authority. Even on a short loop like