Knaresborough River Walk and St Robert's Cave
England · North-yorkshire · 5.2 miles (round trip) · ~2 hrs 30 min (round trip)
Last done 24 May 2026
Weir, River Nidd, at Lido Leisure Park.
Knaresborough Viaduct and the river Nidd
St Robert's Cave
Walk between river Nidd and cliffs.
Route and Terrain
This walk offers a delightful mix of terrains, predominantly well-maintained paths with some sections of riverside trail and woodland tracks. We found the paths generally good underfoot, but after rain, expect some muddy patches, especially along the river. There are some ascents, particularly as we approached Knaresborough Castle, which offered a bit of a workout. For families, it's generally suitable, though we'd advise keeping a close eye on little ones near the water. Dogs are welcome but must be kept on leads. Unfortunately, due to some uneven terrain and steps, this route isn't ideal for wheelchairs or those with significant mobility challenges. The walk is mostly on the level alongside the river, but the inclines can be steep in places, especially the path down to St Robert's Cave, which requires care.
Sights & Experiences
The star of the show has to be the magnificent River Nidd itself, which we found perfect for a paddle at Lido Leisure Park, complete with a charming, secret-feeling pebbled beach. We loved exploring the dappled woodland areas, where we even spotted a few adventurous souls taking a dip in deeper pools – though we stuck to paddling! The Knaresborough Viaduct is an absolute showstopper; its sheer scale is breathtaking as it leaps across the Nidd Gorge. We descended to explore St Robert's Cave, a fascinating hermitage carved right into the rock face, offering a real glimpse into medieval life. The views from Knaresborough Castle are expansive, looking down on the river and the viaduct – a truly picturesque panorama. We also enjoyed the diverse woodlands, some with conifers and mixed broadleaves, others with sycamores adding to the leafy canopy.
Hidden Gems
While the viaduct and cave are well-known, keep an eye out for the smaller, carved wooden sculptures dotted around the trees along some sections of the riverside path – we found them a delightful surprise, especially for the kids! The path leading down to St Robert's Cave, though signed, feels like a secret passage. Also, don't dismiss the seemingly ordinary pebbled beach at Lido Leisure Park; it feels wonderfully secluded and is a perfect spot for a quiet moment by the water.
History & Heritage
Knaresborough is steeped in history! St Robert's Cave is a prime example, a medieval hermitage carved from the rock by Robert of Knaresborough in the 12th century. He was a hermit known for his holiness, even attracting visits from King John. The Chapel of the Holy Cross, adjacent to the cave, was where he was buried, adding to the site's significance. Then there's the Knaresborough Viaduct itself. Its original construction in the 1840s was plagued by disaster, collapsing into the River Nidd before the current impressive structure was completed in 1851. It was designed to blend with the local medieval architecture, featuring castellated walls, and stands as a testament to Victorian engineering.
Seasonal Changes & Best Time to Visit
Spring brings vibrant wildflowers and fresh green foliage to the woodlands, while autumn offers a stunning display of colours. In summer, the riverside can be a welcome cool escape, though some paths might be a little overgrown. Winter can bring mud, especially after rain, so good footwear is essential. We found a crisp, sunny autumn day offered the best light for photos and comfortable walking.
Parking & Public Transport
We found a few options for parking. There's limited free street parking available on Wetherby Road or Abbey Road, but these can fill up quickly. For more reliable, albeit paid, parking, the riverside car park at Conyngham Hall is ample and reasonably priced. Arriving early, especially on weekends or during peak season, is key to securing a good spot at any of these locations.
Safety & Preparation
The riverside paths can become slippery when wet, so sturdy, waterproof footwear is a must. While we found no significant hazards, it's always wise to be mindful of the uneven terrain and keep a close watch on children near the water.
Difficulty & Alternatives
We'd rate this walk as moderate. The terrain is varied, with some lovely riverside strolls, but also includes steep sections, particularly the descent to St Robert's Cave and some inclines towards the castle. Families with younger children will find much to enjoy, but those with limited mobility might find some of the steeper or uneven parts challenging. Shorter, flatter sections are possible by sticking closer to the river and avoiding the castle ascent.
Insider Tip
Our top tip? Pack a picnic! There are so many beautiful spots along the River Nidd, especially around Lido Leisure Park, that are perfect for a leisurely lunch with a view. We found a quiet bend in the river just past the viaduct particularly lovely for a pause.
Recommended Shops & Pit Stops
Knaresborough town centre is a treasure trove of independent shops, cosy cafes, and traditional pubs, perfect for a post-walk refuel. You can also hire boats under the viaduct for a different perspective of the gorge.
