Grey Mare’s Tail Waterfall
Scotland · Dumfries-and-galloway · 0.46 miles (round trip) · ~24 min (round trip)
National trust car park
View of Grey Mare’s Tail Waterfall, this full view can only be achieved by doing some scrambling and swimming.
View of Grey Mare’s Tail Waterfall, this full view can only be achieved by doing some scrambling and swimming.
View of Grey Mare’s Tail Waterfall, this full view can only be achieved by doing some scrambling and swimming.
View of Grey Mare’s Tail Waterfall, this full view can only be achieved by doing some scrambling and swimming.
Route and Terrain
This route involves steep valley climbs to view the waterfall with multiple routes. Walking to the left of the stream is the shortest walk, walking to the right of the stream is a longer steeper climb that gives a more complete view of the waterfall and its source loch. Scrambling is also an option along the stream which is slippery and getting in the water at point sis necessary. The paths are narrow and naturally worn.
Sights & Experiences
The star attraction is the Grey Mare's Tail waterfall itself, a spectacular 60m cascade that plunges into the valley below, earning its name from its resemblance to a horse's tail, especially after heavy rain. We loved watching it from the drystone enclosure, which offers safety and information panels. As you ascend, the path follows the Tail Burn, revealing numerous smaller cascades and plunge pools. Higher up, you reach the serene Loch Skeen, Southern Scotland's highest upland loch, surrounded by the rugged Moffat hills. Keep an eye out for wildlife – we were lucky enough to spot feral goats and heard tales of peregrine falcons and ring ouzels in the area. The landscape is a testament to glacial erosion, with dramatic hanging valleys and corrie-like features.
Hidden Gems
While the main path to Loch Skeen is popular, taking the time to explore the immediate vicinity of the waterfall can reveal smaller, less-obvious cascades. The 'stell' seating area near the start offers a sheltered spot to appreciate the main falls, and from here, you can scramble carefully amongst the rocks to get closer to the base if conditions allow (though caution is advised due to slipperiness). The remoteness of Loch Skeen itself feels like a hidden gem, especially if you visit outside peak times.
History & Heritage
This area has a rich history, evident in the Iron Age earthworks and the ancient lookout point known as Watch Knowe, once used by Covenanters fleeing persecution in the 17th century. They found sanctuary in the boggy ground and steep ravines, using the terrain to their advantage against government troops. The landscape, carved by glaciers over millennia, also holds geological significance, with formations dating back to the Ice Age. Sir Walter Scott even referenced the waterfall in his poem 'Marmion' as the 'roaring linn'.
Seasonal Changes & Best Time to Visit
The Grey Mare's Tail is a year-round destination. Spring brings blooming wildflowers and returning birds. Summer offers lush green scenery and longer days, but can be busier. Autumn paints the hillsides in vibrant colours and offers crisp air, while winter can bring snow and ice, transforming the waterfall into a frozen spectacle popular with ice climbers.
Parking & Public Transport
A dedicated car park is available at the Grey Mare's Tail Nature Reserve, managed by the National Trust for Scotland. It's a pay-and-display car park, with charges typically around £5 for the day (free for NTS members). It can get busy, especially during peak season and on weekends, so arriving early is recommended. There is no direct public transport to the trailhead; the nearest town with services is Moffat, which is a considerable distance away.
Safety & Preparation
This walk involves steep climbs with no guardrails. The best one if you have kids is to the left of the stream. It's only gives views of half of the waterfall. Scramblers will need to be confident and prepared to get wet. Check your skin for ticks when leaving.
Difficulty & Alternatives
The walk to Loch Skeen is considered strenuous due to the steep, rocky ascent, taking around 1.5-2 hours each way. The terrain is rough and uneven. For a less challenging experience, the short, easy walk from the car park to the waterfall viewpoint is highly recommended and takes only about 10-15 minutes. This route is suitable for families, but the full hike to Loch Skeen is best suited for those with good fitness and sure-footedness.
Insider Tip
We found that visiting on a weekday, especially outside of the main summer months, offered a much quieter and more immersive experience of the wild landscape.
Recommended Shops & Pit Stops
The nearest amenities, including pubs, cafes, and shops, are in the town of Moffat. There are no facilities such as toilets at the trailhead, so plan accordingly.




