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Name:Trelyon Downs [Knill's Monument]
Hill number:17666
Height:170m / 558ft
Parent (Ma):2887  Watch Croft [White Downs]
RHB Section:40: Cornwall & Devon
County/UA:Cornwall (CoU)
Catchment:Minor Rivers only (South)
Class:Tump (100-199m)
Grid ref:SW 51633 38671
Summit feature:boulder by SW corner of monument plinth
Col:133m  SW507380  
OS map sheet(s):(1:50k) 203
(1:25k) 102
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 36 users)ByDate of Ascent
Parking at wide entrance to a comms compound to NW (SW 5150 3885). Good track to the monument. HP probbaly a large boulder at SW corner of the plinth.jonglew19/10/2018
From road bend to SW. easy path to monument.PeterD20/09/2018
very wet legs from tall grass on approach from road cornercjo20/06/2018
Jim Baz12/04/2018
Parked at road corner to SW where muddy bridleway heads towards the summit area.mae19/03/2018
Turn West off the A 3074 at the Cornish Arms pub, then go immediately left up a narrow unpromising looking road to eventually reach a small lay by and gate to Steeple Woodland reserve with further parking c 100m further. From the latter, this amazing, triangular, granite 15 m high monument is easily found. Built by a mayor/ customs officer for St Ives with a view to burial there but in fact buried in London. He endowed a strange 5 yearly procession involving 10 maidens in white dresses which continues- next one 2021.HP is natural rock at SE corner of monument.Denise 20/06/2017
Mark Sims23/12/2016
On the St. Michael's Way.PK101/09/2016
Mark Sims22/12/2015
from WSWvictimofmathema03/08/2015
A drive along narrow roads from Tink Hill. Parked near communication compound then gentle stroll to summit.Dugswell206/05/2015
From N. Monument built by a former mayor as his intended burial place, but in the event I'm told he was buried in London...RHW05/04/2015
St Ives to Lelant (Garden Centre!).Smudge13/02/2015
Space to park to N on Steeple Lane. Obvious path to monument on summit.PeteF27/10/2014
Visited this one on a walk from St. Erth to Crowlas via St. Ives!CornishGazza04/08/2012
with MollyCawth10/04/2012
Mark Sims30/11/2011
with MolsCawth06/04/2010
Steep plod up from Carbis Bay but worth it for the excellent panorama over St Ives Bay.Jake99411/08/2008
with MolsCawth23/03/2008
Lovely walk up from St Ives on the Solstice.thesweetcheat21/06/2001
Martin R31/12/1999