Cauldron Snout Walk from Cow Green Reservoir
The Cauldron Snout walk from Cow Green Reservoir is one of the most memorable short walks in Upper Teesdale, leading you through a wide open moorland landscape to one of the most dramatic waterfalls in England.
Starting from Cow Green Reservoir car park, this out and back route follows a clear path beside the water before reaching the dark, broken rocks and powerful cascades of Cauldron Snout. It is not a long walk, but the setting makes it feel wild, remote, and full of character.
Often described as England’s longest waterfall, Cauldron Snout is not a single plunge or neat drop. Instead, it is a long and restless stretch of white water pouring over Whin Sill rock below the dam, with sound, movement, and scale that make a real impression when you arrive.
This is a walk that feels simple at first, then more rugged and dramatic as you approach the falls. Whether you come for the views, the geology, the photography, or just the chance to stand somewhere that feels raw and untamed, Cauldron Snout is a place that stays with you.
Quick Facts
Location: Upper Teesdale, North Pennines National Landscape
Nearest parking: Cow Green Reservoir Car Park, DL12 0HX
Walk type: Out and back
Distance: Around 3 miles round trip
Time needed: 1.5 to 2 hours at a relaxed pace
Terrain: Flat gravel path along the reservoir, rocky ground near the waterfall
Difficulty: Easy to moderate
Dog friendly: Yes, dogs should be kept on leads near livestock
Best map: OS Explorer OL31 North Pennines
Digital route: Available on Hiiker
GPX files: Free download here
Parking and Access
The best place to park for the Cauldron Snout walk is Cow Green Reservoir car park. The route starts directly from here, making it one of the most straightforward ways to reach the waterfall.
There are no facilities at the car park itself, so it is worth planning ahead before setting off. The nearest toilets and refreshments are at Bowlees Visitor Centre, around twenty minutes away by car. If you are visiting with children or want a café stop before or after your walk, Bowlees is a useful option.
The road up to Cow Green feels remote and narrow in places, but that is part of what makes this area special. The drive itself gives you a sense of just how open and wild Upper Teesdale becomes as you head further into the hills. Take your time on the final stretch, especially in poor weather or if livestock are on the road.
From the car park, the path to Cauldron Snout is easy to pick up and simple to follow for most of the route.
Route Description
The walk to Cauldron Snout begins directly from Cow Green Reservoir car park. From the parking area, follow the clear gravel track beside the reservoir, with wide views opening across the water and the surrounding Upper Teesdale moors.
The first part of the route is mostly level and straightforward. There are very few landmarks to interrupt the view, and as you move further away from the car park, the landscape begins to feel noticeably quieter and more remote.
This is part of the Moor House–Upper Teesdale National Nature Reserve, an internationally important landscape known for its geology and rare plant life. The rocks beneath the moor helped shape the waterfalls and valleys of Upper Teesdale, while the unusual ground conditions allow plants such as spring gentian and Teesdale violet to survive here.
Depending on the season, you may also spot red grouse among the heather, golden plover over the open moorland or common sandpipers close to the water. It is worth taking your time along this section, as much of what makes the walk special is found in the smaller details around the path.
Continue following the reservoir towards Cow Green dam. The scale of the structure becomes clearer as you approach, standing between the still reservoir and the steep, rocky valley of the River Tees below.
Beyond the dam, the character of the walk changes. The smooth track gives way to rougher and more uneven ground, and the sound of Cauldron Snout gradually grows louder.
The waterfall does not suddenly appear as one clear drop. Instead, sections of white water and dark Whin Sill rock reveal themselves as you approach. There is no formal viewing platform, and the ground beside the falls can be steep, wet and slippery, so only explore as far as conditions and confidence safely allow.
After spending time beside Cauldron Snout, retrace the same route back towards Cow Green Reservoir car park. The return journey follows the same path, but the open views across the reservoir and moorland give the landscape a different feel when walking in the opposite direction.
What You’ll See Along the Way
The walk to Cauldron Snout offers far more than just the waterfall itself. From wide open reservoir views to traces of geology and human history, this section of Upper Teesdale reveals how landscape, water, and time have shaped one of the North Pennines’ most dramatic settings.
Cow Green Reservoir Dam Walkway
The dam walkway provides a striking sense of scale, with long views stretching across the reservoir and surrounding moorland. Walking here feels exposed and expansive, especially when weather moves quickly across the hills, giving a real sense of the wild upland environment that defines this part of Teesdale.
Stone Building Beside Cow Green Reservoir
This simple stone building sits quietly within the landscape, blending into its surroundings rather than standing apart from them. It is a reminder of the human presence in this remote area and adds a subtle sense of history to the otherwise open and natural setting.
Whin Sill Basalt and Geological Details
Close to the path, exposed rocks reveal the Whin Sill basalt that underpins much of Upper Teesdale’s dramatic scenery. These dark, hard rocks played a key role in shaping the waterfalls, cliffs, and gorges of the River Tees and continue to influence the landscape you see today.
Cauldron Snout Waterfall, Raw Power on the River Tees
Cauldron Snout is not a single dramatic plunge, but a vast, relentless cascade that stretches for around 180 metres as the River Tees surges down through broken rock below Cow Green Reservoir. Often described as England’s longest waterfall, it is better understood as a continuous cataract, where water tumbles, crashes, and churns through a series of stepped drops carved into the Whin Sill.
The waterfall descends around 60 metres in total, spreading its energy across eight distinct drops rather than one vertical fall. This creates a sense of constant movement and scale, with different sections revealing themselves as you explore closer. After heavy rain or controlled releases from the reservoir above, the sound and power of the water are overwhelming, making Cauldron Snout one of the most dramatic natural sights in the North Pennines.
This is a wild, rugged place shaped by geology as much as water. There are no fences or viewing platforms, and care is always needed near the rocks, especially in wet conditions. What you experience here is nature in its rawest form, untamed, noisy, and unforgettable.
Cow Green Reservoir Dam and Controlled Flow
The Cow Green Reservoir dam sits immediately above Cauldron Snout and plays a key role in regulating the flow of the River Tees. When water is released, it feeds directly into the waterfall below, transforming the cascade into a powerful, fast-moving torrent that highlights the sheer scale of the landscape.
Cauldron Snout in Full Flow
In full flow, Cauldron Snout becomes a roaring sequence of foaming water and dark rock, with the river forcing its way through narrow channels and stepped ledges. The combination of height, length, and volume creates an atmosphere that feels more like a mountain river than a typical English waterfall.
Whin Sill Rock and Stepped Cascades
The stepped nature of Cauldron Snout is formed by the Whin Sill, a hard dolerite intrusion that shapes much of Upper Teesdale’s dramatic scenery. These dark, angular rocks control the way the river falls, creating the distinct drops and channels that give the waterfall its unique character.
A Moment of Calm
Standing beside Cauldron Snout, it’s hard not to slow down. The noise of the water drowns out everything else, and for a while, there’s nothing to focus on except the movement of the river and the feel of the wind coming off the moor.
This is one of those places where conversations naturally pause and minds feel clearer without trying. Whether we’re taking photos, sitting quietly with a flask, or just watching the water carve its way through the rocks, Cauldron Snout always feels grounding and honest.
It’s not polished or predictable, and that’s exactly why we love it. In a world that often feels rushed and noisy, this stretch of Upper Teesdale offers space, perspective, and a reminder that sometimes the best moments come from simply being outdoors and present.
About This Walking Guide
This walking guide has been created by Outdoor Exploring Family for Discover Teesdale using first-hand experience of the route. We plan and walk every route ourselves, taking time to understand the landscape, access, and conditions before sharing it with others.
All information is provided to help you explore responsibly and confidently, using public rights of way and open access land. Conditions in upland areas can change quickly, so we always recommend wearing suitable footwear, checking the weather forecast, and taking your time, especially near water and rocky ground.
Our aim is to offer clear, honest guidance that helps more people enjoy Teesdale’s landscapes safely, whether you’re visiting for the first time or returning to places you already love.
Conditions can change quickly in this exposed upland landscape, so it’s worth allowing extra time and taking care near the water.