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Details of Twyn y Gaer

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Twyn y GaerNo. 15629
Height:427.0m / 1401ft
Prominence/Drop:81.0m / 266ft
Country:Wales
County:Monmouthshire [Sir Fynwy] (CoU)
Grid Ref:SO 29361 21963
Latitude:51.890000
Longitude:-3.020000
Hill Area(s):32A: Llandovery to Monmouth
Classification:4, Tu
More details
More Details for Twyn y Gaer
Parent Hill:Waun Fach
Summit feature:cairn on grassy mound
Col:346.0m / 1135ft (Grid ref: SO286235)
Map:OS Landranger: 161
OS Explorer: OL13S
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Height Purple icon for hills greater than or equal to 1200m high≥1200m
Red icon for hills between 1100m & 1200m high≥1100m
Orange icon for hills between 1000m & 1100m high≥1000m
Yellow icon for hills between 900m & 1000m high≥900m
Dark green icon for hills between 800m & 900m high≥800m
Green icon for hills between 700m & 800m high≥700m
Indigo icon for hills between 600m & 700m high≥600m
Violet icon for hills between 500m & 600m high≥500m
Dark violet icon for hills less than 500m high<500m
Prominence Icon for hills greater than or equal to 600m prominence (The definition of a P600 or 'major').≥600m
Icon for hills greater than or equal to 150m prominence (The definition of a Marilyn)≥150m
Icon for hills greater than or equal to 100m prominence (The definition of a Hump)≥100m
Icon for hills greater than or equal to 30m prominence (Definition for several hills, primarily Tumps)≥30m
Icon for hills less than 30m prominence<30m More
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