Saturday, 20 December 2025

Mapping Mountains – Trimble Surveys – Stiperstones

 

06.10.25  Corndon (SO 305 969, previously Trimbled) and Lan Fawr (SO 297 967, previously Trimbled) 

Corndon (SO 305 969) on left and Lan Fawr (SO 297 967) on right

The passing of seasons is emphasised amongst the hills, with colour and temperature change.  When the greenness of summer subtly changes to those rusted autumnal colours and summer warmth giving way to chilled temperatures when extra layers of clothing give comfort.

It seemed the summer still lingered as I headed up the narrow road leading to the small community of Priest Weston, with greened grasing fields and iridescent blue sky heralding what would no doubt be a chilled evening ahead.

We had a plan, we being me and Abi.  Abi was soon leaving the mid Wales countryside for a job in inner city Manchester and having not seen one another for awhile we arranged to meet on the hill for a catch up.  As Abi finished work at 5.00pm meeting on a local hill was a necessity and Corndon was ideal, with the added bonus of Lan Fawr being close and on our planned route.  It also gave me an opportunity to start before Abi and gain height at a leisurely pace before the quickness of youth caught me up.

Although the weather bode well for our walk, the forecast gave high cloud to push in from the west as dusk darkened.  Therefore, the forecast stilled that enthusiasm for the prospect of a beautiful sunset.  But that wasn’t the priority, it was just good to be out on the hill with the prospect of seeing Abi and catching up with life and related stuff.

Corndon can be quickly ascended via its broad western flank following a fence line that is unrelenting in steepness.  This was our preferred route and I hoped that setting off at 5.00pm would give me a good 30 minutes start on Abi before she was expected to arrive and follow me up with Jake the dog.

I parked just off the narrow road at the start of the track that heads up to the bwlch between Corndon and Lan Fawr.  I’d used this route on a number of occasions and knew it could be a lung buster, with stops on route during the steep bit advisable. 

Corndon from the track

Walking up the track I peered up toward the fence line leading to the summit of Corndon, it seemed no one else was on the hill.  I always enjoy meeting people on the hill, but solitude gives quietness and time to reflect, both on life and also on surroundings.  There’s a quality to hill walking that is hard to define, it gives time for thought, and as I wandered up the track my mind did likewise, not concentrating on any particular thing but opening up to the beauty and simple things close by.  For me this on many occasions can be the radiance of colour, and late afternoon sunlight at this time of year can give a wealth of beauty, from enhanced greens and blues to those subtle grey hues as wisps of cloud gently enhance a deepening colored sky. 

Lan Fawr

By now I was at the gate leading toward the steep bit.  This consists of three sections; the first up open hill to the corner of woodland.  The second section is beside the forestry and the last is beyond the trees to the summit.  Reaching the end of each gives a point to aim for and that all wanted rest.  It also gave time to look back down to the rack and try and spot any sign of Abi and Jake the dog. 

The gate leading to the steep bit

As I neared the summit wisps of cloud slowly danced above the elongated landmass of Cefn Digoll.  Their colour delighted.  To the west the giants of Cadair Idris, the Aran and Berwyn were obscured by murk, so no dramatic sunset was going to be savoured, but as the sun disappeared behind high cloud tinges of golds interspersed amongst the customary whites and greys gave an appealing scene.

The view down the steep bit
 

Wisps of cloud above Cefn Digoll

By now a small figure had appeared beside the fence making their way up in my direction.  The next time I stopped and looked down I spotted they had a dog with them.  It was Abi, and our timing was perfect, as when I reached the trig point on the summit I just had enough time to put my fleece coat on, take a photo of the cairn and trig and make my way back to the top of the fence and there they were; Jake happily leading Abi up the last section toward the summit of Corndon. 

The summit of Corndon

Abi and Jake nearing the summit

It was good to see Abi and especially so on a hill.  One quick hug and lots of catch up and we were soon debating what path to follow for the descent.  Abi suggested the path leading south-eastward toward an ancient cairn that we could see off into the gathering dusk.  From the summit I usually follow a fence that at one time indicated the perimeter of the forestry that for many years obstructed the summit view.  Thankfully this section of forest has now been felled, this route led steeply down to the top of the track opposite the bulk of Lan Fawr, Abi’s suggested route arrived at the same spot, but was much gentler on the knees and proved ideal.  It also gave opportunity to remain high on the hill for another five to ten minutes.  By the time we accessed our onward route through a gate the sun had disappeared and the calming beauty of dusk quickly took the land. 

The last lingering sunlight

The route beyond the gate followed a wide green path leading us down to the continuation of our incoming track.  On our way we chatted about all manner of things.  Arriving at the track the gate leading to Lan Fawr was locked, which it has been on all my previous visits.  Abi decided to take Jake further down the track to find an easier way for him to cross, leaving me to clamber over the gate and slowly head up Lan Fawr. 

Moon rise

My walks usually take place in the morning, gaining height before the heat of the day.  Therefore, I am seldom on the hill at dusk.  However, being here at this moment was both novel and immensely rewarding, with the darkening silhouette of Lan Fawr ahead and glimmers of lights off in the distance my only companions.  It all felt rather mesmerising.

Nearing the top two friendly faces suddenly appeared looking back down on me.  Abi and Jake had beaten me to the summit having found where the perimeter fence ends giving them a direct route to the top.  We only lingered for a few minutes before reversing our inward routes, Abi came partly down the hill toward the gate before vanishing with Jake into the darkness heading back to the end of the fence, whilst I continued and waited for her on the track beside the gate.  Soon I heard the quiet rhythmic sound of gathering footsteps on the graveled track; these soon neared and out of the darkened dusk Abi and Jake reappeared.

All that remained was a contented walk back down the track to our awaiting cars.  Our eyes had by now become adjusted to the dark and although we had torches the descent on the track was ideal at this time of day, reaching my car at 7.40pm, saying bi bi to Abi and waving her off in to the darkness. 

 

Survey Result: 

 

Corndon  

Summit Height:  513.6m (converted to OSGM15, average of two previous Trimble GeoXH 6000 surveys)

Summit Grid Reference:  SO 30599 96922 (from previous Trimble GeoXH 6000 survey)

Bwlch Height:  310.5m (converted to OSGM15, from previous Trimble GeoXH 6000 survey)

Bwlch Grid Reference:  SO 32519 99517 (from previous Trimble GeoXH 6000 survey)

Drop:  203.0m

Dominance:  39.54%

 

 

Lan Fawr  

Summit Height:  426.1m (converted to OSGM15, from previous Trimble GeoXH 6000 survey)

Summit Grid Reference:  SO 29711 96759 (from previous Trimble GeoXH 6000 survey) 

Bwlch Height:  392.6m (LIDAR)

Bwlch Grid Reference:  SO 29966 96784 (LIDAR)

Drop:  33.5m (Trimble GeoXH 6000 summit and LIDAR bwlch)

Dominance:  7.86% (Trimble GeoXH 6000 summit and LIDAR bwlch)

 

 

For details on the bwlch survey of Corndon

 

For details on the 1st summit survey of Corndon and the survey of Lan Fawr

 

For details on the 2nd visit to Lan Fawr

 

For details on the 2nd summit survey of Corndon and the 3rd visit to Lan Fawr

 

For further details please consult the Trimble Survey Spreadsheet

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