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Details of Porthmoina Island

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Porthmoina IslandNo. 19230
Height:37.0m / 121ft
Prominence/Drop:35.0m / 115ft
Country:England
County:Cornwall (CoU)
Grid Ref:SW415368
Latitude:50.170000
Longitude:-5.620000
Hill Area(s):40: Cornwall & Devon
Classification:0, Tu
More details
More Details for Porthmoina Island
Parent Hill:Watch Croft [White Downs]
Summit feature:
Col:2.0m / 7ft (Grid ref: SW415368)
Map:OS Landranger: 203
OS Explorer: 102
Map of nearby hills
Map legend
Legend
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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