Walk 172 – Loch Thom Circular – 5.4 miles

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At approx 1.5 miles in length and sitting at 639 ft (195m) above sea level, Loch Thom has provided a water supply to the town of Greenock since 1827! Situated in the Clyde Muirshiel Regional Park, this circular walk let's you see the loch from every angle. You will pass several ruined farmsteads along the way, one of which was used in the filming of the 'Shetland' TV series! Mostly on surfaced roads with the exception of one short section on a grassy, and sometimes boggy footpath. 

  Car parking available at Greenock Cut Visitor Centre (PA16 9LX). No public transport to start point.

Loch Thom


Despite being Scotland’s largest Regional Park, Clyde Muirshiel is little-known and underrated in my opinion. With endless walking opportunities on offer, I am glad that the Rangers are trying to promote the area through these monthly events. Be sure to check when the next led walks are and sign up, they are free of charge and I have always found the Rangers to be extremely knowledgeable about the area, passionate about what he does and eager to share this with everyone who will listen 🙂

This route turned out to be pretty easy going, with most of the walk being on paved surfaces. We made a short de-tour to search for a WWII bomb crater, visible on satellite images of the area.  This involved leaving the safety and security of our road to head uphill over soggy moorland and across a fence! Despite the de-tour being optional, everyone in the group got involved. With use of GPS we found it in no time and wow, was it big! There were some kids in the group who were making me nervous being so close to the edge of the waterlogged bottomless pit. The centre of it was still frozen as a result of the recent ‘Beast From the East’ but around the edges, although appearing stable enough, was saturated moss which my feet immediately sank right into. I’d love to see what it looks like empty! Although at the same time I dread to think what lies beneath the water, especially considering the sheep carcass we found shortly after!

Looking back: the Compensation Reservoir (farthest away) controlled the flow of water from Loch Thom into the aqueduct.
WWII bomb crater, thought to have been created during the ‘Greenock Blitz’ which took place over 2 nights in May 1941
Last bit of snow holding on since ‘The Best From The East’ left us earlier in the month
Cornalees Farm – from which the Greenock Cut Visitor Centre took it’s former name ‘Cornalees Bridge Visitor Centre’. Some people still call it as such, causing much confusion for the likes of me!

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