Ffridd Tyddyn Mawr (SH 654 140)
There has been a Significant Name Change to a hill
that is now listed in the 200m Twmpau, with
the summit height, drop and status of the hill being confirmed by a Trimble GeoXH
6000 survey which was conducted by Myrddyn Phillips and took place on the 17th
February 2018, and LIDAR analysis for the bwlch.
The criteria for the list that this name change
applies to are:
200m Twmpau – All Welsh hills at and above 200m and below
300m in height that have 30m minimum drop, with the word Twmpau being an acronym for ‘thirty welsh metre prominences and
upward’. With an accompanying sub
category entitled the 200m Sub-Twmpau
consisting of all Welsh hills at and above 200m and below 300m in height that
have 20m or more and below 30m of drop.
The hill is adjoined to the Cadair
Idris range of hills which are situated in the south-western part of North
Wales (Region A, Sub-Region A3), and it overlooks the double lakes of Llynnau
Cregennan to its north north-east and the small community of Arthog towards its
west north-west.
 |
| Ffridd Tyddyn Mawr (SH 654 140) on the right of photo |
The hill did not appear in the 200m P30 list on
Geoff Crowder’s v-g.me website as it did not meet the criteria set for the
accompanying sub list which was entitled Hills
to be surveyed, however when this sub list was standardised and drop values
later added the hill was listed with 20m of drop.
As the summit of this hill and that of its
slightly lower south-easterly top positioned at SH 65693 13963 comprise bounded
land the
details for each were examined on the Tithe map.
The term Tithe map is generally given to a map of a
Welsh or English parish or township and which was prepared after the 1836 Tithe
Commutation Act. This act allowed tithes
to be paid in cash rather than goods.
The Tithe maps gave names of owners and occupiers of land in each parish
and importantly for place-name research they also included the name of enclosed
land. This enclosed land is usually
based on a field system, however not every field is given a name, but many are
and especially so in Wales.
 |
| Extract from the Ordnance Survey 1:25,000 Explorer map |
 |
| Extract from the Tithe map |
The enclosed land where the summit of this hill is
situated is given the number 103 on the Tithe map, this can be cross referenced
against the apportionments; it is these apportionments that give the name of
the owner or occupier of the land as well as the name of the land. The land where the summit of this hill is
situated is named as Tyddynmawr, the details on the Tithe map appear in the county named as Merioneth and in the
parish of Llangelynin.
 |
| Extract from the apportionments |
However, for confirmation of the land boundary I
visited Arwyn Lloyd who lives and has farmed from Ffridd Boedel (SH 659 140) for
40 years, this small farm house is situated to the immediate east of this
bounded land. Arwyn described the whole
of this bounded land as Ffriddoedd and confirmed that the summit of the hill
which is positioned at SH 65486 14081 and which we were looking up to from just
above his farm house is on land associated with Tyddyn Mawr, a farm positioned
at SH 652 144, and that the name Ffridd Tyddyn Mawr is appropriate.
 |
| Arwyn Lloyd of Ffridd Boedel farm |
Therefore, the name this hill is now listed by in the
200m Twmpau is Ffridd Tyddyn Mawr, and this was derived from the Tithe
map and local enquiry.
The full details for the hill are:
Group: Cadair Idris
Name: Ffridd Tyddyn Mawr
Previously Listed Name:
not previously listed
Summit Height: 273.2m
(converted to OSGM15)
OS 1:50,000 map: 124
Summit Grid Reference:
SH 65486 14081
Drop: 22.0m (Trimble summit and LIDAR bwlch)
 |
| The Trimble GeoXH 6000 gathering data at the summit of Ffridd Tyddyn Mawr (SH 654 140) |
Myrddyn Phillips (March 2018)
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