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Name:Goonhilly Down
Hill number:17790
Height:113m / 371ft
Parent (Ma):2886  Carnmenellis
RHB Section:40: Cornwall & Devon
County/UA:Cornwall (CoU)
Catchment:Minor Rivers only (South)
Watershed:The Lizard to Dunnet Head
Class:Tump (100-199m), Clem
Grid ref:SW 72543 21117
Summit feature:trig point on tumulus
Col:59m  SW696225  
OS map sheet(s):(1:50k) 204
(1:25k) 103
Observations:tumulus c120m NNE at SW 72576 21215 could be as high
Change log:show changes for this hill entry
GPS data:show GPS entries for this hill

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N.B. Some hill summits are on private property or on land where there is no public right of way.  Permission should be sought from the landowner where access to a hill summit is through private land.
Please report via the contact page any logs you see below which describe or encourage acts of trespass, and mention the hill number and hill name.

Logged Descriptions  (logged by 33 users)ByDate of Ascent
From a small dirt layby at SW 7290 2129. RoW to trig pillar and hill top on a mound that's most likely a barrow.jonglew18/10/2018
From nature reserve car park on a very wet day. Trig seemed highest but visited nearby tumulus as well.PeterD22/09/2018
Not the most obvious hill! Annoyingly the visitor's centre is now closedPoolton12331/08/2017
Trig S 1732 and HP is in between listening station fence and water tower in public access land by footpath on small tumulus, near ancient standing stone. not sure what the concrete post next to trig is. Area rich in ancient and modern ( eg WW2 Radar- Dry Tree) historyDenise 13/07/2016
With all the clumps of scrub, bunkers mounds and buildings it's hard to be sure of a naural high point. Trig point is on low mound (tumulus?) The top of the 4m standing stone is higher but I couldn't climb it and I couldn't stand on Denise as she was still wingeing on about her broken ribs.RichardM13/07/2016
Visit to the barrows and standing stone. The barrow with the trig is called Cruc Dreanoc (Barrow of the thorns). The gorse here makes going off-path very hard going.thesweetcheat23/06/2015
Parked in lay-bye on B3293 walked down to bag milestone before using the footpath along the compound edge to bag the trig and both likely summits.Dugswell209/05/2015
Parked on National Nature Reserve car park at SW 72980 21148. Good paths to trig pillar situated on top of a tumulus at SW 72538 21107. Another tumulus c120m NNE at SW 72576 21215 could be as high.David Gradwell17/05/2014
Parked in Nature Reserve Car Park just down the road from the visitor centre car park (closed) and walked next to fence to top.Jacqdaw03/05/2014
Can't believe nobody has logged this before. It's on a nature reserve. Car park and easy access. Take your binoculars and camera and do some bird watching, plus butterfly and moth spotting. Standing stone too. No climbing invovled so just enjoy the nature.ijpowell02/08/2013
Visited here whilst geocaching. This is the site of RAF Dry Tree.CornishGazza11/02/2012
– intriguing - Earth Satellite station (BT communications) Darren, being a physicist, explained all about orbits to me. National Nature reserve (of the flat bog type) Car park – leaflets. WW2 Radar Station – trail around old bunkers, buildings – onto roof of “Dry Tree” call sign for the base. Humps on bog to prevent enemy gliders landing. Found trig AND saw (but could not get to) another private trig inside the razor wire compound – with a theodolite set up on it – very exciting. So much to see! Raining properly now.Chris Pearson10/08/2010
adj tracking station, heathland, TP not found, may be hiding in scrub. FP from car pk on road to E RHW25/08/2002
Childhood holiday with familygarth8706/08/2002
Visit to visitor centre.arranc01/07/1983
Date approx on family holidaySwindon Bagger06/04/1980
carole engel30/04/2017
Martin R31/12/1999