A walk around Knockan Crag - the heart of the North West Highland Geopark!

I mentioned in an earlier post that geology is important in Assynt, and I've already made an oblique reference to The Rock Route, a driving trail that takes the curious motorist around this unique geological landscape. There are laybys at geologically interesting points, equipped with informative signboards which explain clearly what you're looking at, and why it's important. Indeed, Assynt is part of the North West Highlands Geopark, the centerpiece of which is the excellent visitor centre at Knockan Crag.

This is perhaps my favourite visitor's centre anywhere, mostly because it is so well done, and so utterly appropriate. You see, one of the reasons we love this part of the world is the opportunity it provides for solitude and for getting away from the routine imposed by clocks, timetables and opening times. Well, the Crag is a visitor centre which you can have totally to yourself if you turn up at a quiet time because it has absolutely no staff. As a by product of this it's open twenty four hours a day, fifty two weeks of the year. Turn up and experience it whenever you want - although as you'll see, it might not be a good idea to turn up in the pitch black or in really bad weather...

Knockan Crag is about a mile south of the little Certificated Location we were pitched up on in Elphin, so after a day of vehicular exploration around the wider area I took myself for a little stroll around this geological showcase.

Even from the car park the view is spectacular, looking out across the water, between Cul Mor and Cul Baeg, towards the rocky peak of Stac Pollaidh in the distance.

Looking up the hill from there you can see the little turf roofed shelter that houses the main exhibition. This part of the trail is wheelchair accessible, and fine for people with other mobility issues, I'm afraid that the rest of the crag probably is not...

This is in fact a fairly new exhibition, the centre was refurbished and renovated a few years ago (and indeed in the great Highland spirit of recycling some of the large sign boards from the old display can be seen serving as the walls of a sheep shed in Elphin) and the whole thing is now very slick and interactive.

You're met initially at the entrance to the little eco shelter by bronze statues of legendary geologists Ben Peach (seated) and John Horne (standing). If you're unfamiliar with these names and have never heard of their achievements in geological theory, don't worry - this is also where the interaction starts.

By the side of Ben Peach's seat (which is large enough for you to share with him and offers a pretty cool photo opportunity) is a set of buttons marked with national flags. Push the flag most closely associated with your language and Messers Peach and Horne will tell you a little bit about themselves, in whatever language you prefer.

Basically- and real geologists will need to forgive me here because I'm going to massively over simplify this - Peach and Horne figured something out that revolutionised our understanding of geology and the way the Earth's crust as we know it today was formed. Before the work they carried out in Assynt the standard view was the fairly logical assumption was that new rocks were laid down on top of old rocks. This "layer cake" idea makes perfect sense and allowed geologists to date the rocks they were looking at.

So far, so straight forward.

The trouble was that here in Assynt some of the oldest rocks in the world are sitting on top of rocks that are much younger and to the nineteenth and early twentieth century geologists this simply didn't make any sense at all. Peach and Horne worked out the solution, and changed the outlook of the science of geology forever. 

In 1907 they identified the "Moine Thrust", a geological feature that runs all the way from Loch Eribol on the North Coast of Scotland, through Assynt and down to Sleat on the Isle of Skye. They showed that the thrust forced one older sheet of rock over the top of a much younger series, masking the geology beneath. Small "windows" in the top plate allow geologists to estimate what the previous geology was like. Assynt is one such window, and through it you can see a great chasm of time.

 

 Inside the little turf roofed gazebo there are many displays and interactive thingamiebobs to help explain what all the different rocks are hereabouts, how they formed, what they're called, where you'll find them and how old they are.

There's also a rather wonderful display around the edge showing the horizon in opaque perspex. Each of the visible hills is not only identified, but the meaning of each of the hill's names is explained. Even better, given that most of the names of landscape features in Assynt have their origins in Gaelic, which has a very different spelling system, you can push a button and have a voice pronounce each of the names correctly.

Turns out I've been mis-pronouncing some of them for years, although I feel safe in the knowledge that I'm not alone in this...

If you step through the eco-gazeebo, on the other side you will find a well made path heading off up the edge of the crag, and a bronze statue of a geologist encouraging you to see where it may lead. Anyone with two functional legs and a moderate amount of fitness can follow from here, but by its very nature the terrain beyond this point is unsuitable for people with mobility difficulties and is absolutely not wheelchair friendly. If you suffer from vertigo you might also want to give this a miss - there are some steep climbs with even steeper drops on one side.

Everybody else, follow me - this is a spectacular journey through time and landscape.

You follow the path along the side of the hill and before long you come across a fork. The right hand fork takes you on the rest of the walk, the left hand takes you down a short dead end where two inscribed slabs give you information about fossilised deep sea worms that can be found here, a few hundred feet above sea level. 

Yet more evidence that the landscape of today is radically different from the landscape of the past.

Make your way back to the main path, and there's another carved stone showing what the worms would have looked like, swishing around in shallow tropical seas so many millennia ago.

 The path leads you through a geological timeline for the rocks in these parts, all the time ever so gently taking you higher and higher. The path at this point is not steep, but the drop to your left does keep getting increasingly pronounced. People with vertigo might want to hang on to a companion, or stare fixedly up the hill at this point - although if heights really are a problem for you be warned - it's only going to get worse from here. Trust me though, the views are unquestionably worth it - they really are spectacular!

As the trail leads you further up the hill you are treated to many features created out of the rock that forms this amazing landscape. If you look up from the timeline section of the trail you'll see a perfectly formed stone sphere constructed in the manner of a dry stone wall. It sits on the side of the hill without explanation. I have no idea what it demonstrates, but it looks extraordinarily cool.

Other - what shall I call them? Exhibits, I guess - are more informative than decorative, although there is a strong and pleasing sense of  design throughout the crag. The two stone hands pictured here illustrate the difference between the sandy coloured rock at the bottom and the grey coloured rock above. Place one hand on each, you are told, and you are spanning three hundred million years of history.

Seriously, where else can you go and hold three hundred million years between your hands? 

Eventually the path takes you up a steepish set of stone steps. Again, care is required - it's not in any way a difficult climb, but at the same time you need to remember that the consequences of a fall could well involve dropping a few hundred feet to the road below - something which I suspect would be less than fun.

As you climb you'll want to keep your eye on the view though, because the higher you get, the more you can see. Once you reach the top you are rewarded with an utterly spectacular viewpoint offering views across Assynt and Coigach and beyond. Truly spectacular they must be seen to be believed.

I mean, look at it - have you ever seen anything more beautiful? Here you're looking out towards Lochinver with Cul Mor at the far left, the long ridge of Suilven in the distance just to the right of it and Canisp more or less in the middle of the image. Under blue August skies I honestly could have sat there all day watching the shadows of the clouds scoot across the hills and valleys.

From the viewpoint the path takes you along the top of the crag. The views are amazing, but you do become aware that you're at the top of a hill. On the day I was there the wind was blowing pretty fiercely and I was obliged to remove my hat* because if I hadn't it would currently still be flying somewhere in the jetstream.

The path takes you back along the top of the crag until you are more or less above the car park, and then begins to descend. There is one final viewpoint, looking out towards Coigach with the distant hill Stac Polliagh framed once more in the "V" formed by Cul Baeg and Cul Mor.

The flat triangular stone in the foreground of this picture is inscribed with the words of acclaimed Scottish poet Norman MacCaig:

"I don't remember the Eagle going away

but I'll never forget the Eagle shaped space it left

stamped on the air."

   

Reading those words and looking at that view, I could feel the eagle shaped space in the air. Assynt is a wild, wild place and from this vantage point you can really appreciate that without all the hassle of day long walks and cumbersome walking gear.

But it was getting late, so I began the descent back to the car, knowing that the following day we'd be pointing the car towards Coigach and getting deep into that landscape.

*Rather a big thing from my point of view - I am seldom seen without a hat.