Tregonning Hill

Tregonning Hill
Site of Special Scientific Interest
Germoe war memorial
Shown within Cornwall (mainland)
Area of Search	Cornwall
Grid reference	SW602296
Coordinates	50°07′06″N 5°21′18″W / 50.1184°N 5.3551°W / 50.1184; -5.3551Coordinates: 50°07′06″N 5°21′18″W / 50.1184°N 5.3551°W / 50.1184; -5.3551
Interest	Biological
Area	5.21 hectares (0.05 km²; 0.02 sq mi)
Notification	1994 (1994)
Natural England website

Tregonning Hill is the westerly of two granite hills overlooking Mount's Bay in west Cornwall, England, United Kingdom, the other being Godolphin Hill. They are approximately 6 kilometres (3.7 mi) west of the town of Helston.^[1] Part of the hill is designated as a Site of Special Scientific Interest (SSSI) and at the date of notification (1994) was the only known site of western rustwort (Marsupella profunda) in Great Britain.^[2]

Germoe war memorial is on the summit of the hill.

Wildlife and ecology

The main vegetation types on the hill are western lowland heath and scrub. The heath consists of a mixture of heather (Calluna vulgaris), bell heather (Erica cinerea) and western gorse (Ulex gallii] with cross–leaved heath (Erica tetralix) replacing E. cinerea in wet areas. Bilberry (Vaccinium myrtillus) and tormentil (Potentilla erecta) also occur. On the deeper soils European gorse (Ulex europaeus), bracken (Pteridium aquilinum) and bramble (Rubus fruticosus) are the dominant scrub species. The bare slopes of the old china clay works are where western rustwort (Marsupella profunda) occurs.^[2] By 2004 the liverwort was known from fourteen sites within three SSSIs, making Cornwall the main stronghold globally.^[3] The nationally scarce moss (Brachydontium trichodes) known from only two sites in Cornwall also occurs on Tregonning Hill.^[2] As of 7 September 2010 the condition of the SSSI was considered to be ″unfavourable declining".^[4]

Industry

An elvan quarry was in operation on the summit in 1879.^[5]

Trig point, Tregonning Hill

References

↑ Ordnance Survey: Landranger map sheet 203 Land's End ISBN 978-0-319-23148-7
1 2 3 "Tregonning Hill" (PDF). Natural England. Retrieved 24 February 2012.
↑ Nick Clark & Alan Bean, ed. (2004). Cornwall's Biodiversity Volume 3: Action Plans 2004. Truro: Cornwall Wildlife Trust.
↑ "SSSI unit information". Natural England. Retrieved 24 February 2012.
↑ "The Old and the New". The Cornishman (46). 29 May 1879. p. 7.

External links

Ceremonial county of Cornwall

Cornwall Portal

Unitary authorities	Cornwall Council Isles of Scilly

Major settlements	Bodmin Bude Callington Camborne Camelford Falmouth Fowey Hayle Helston Launceston Liskeard Looe Lostwithiel Marazion Newlyn Newquay Padstow Penryn Penzance Porthleven Redruth Saltash St Austell St Blazey St Columb Major St Ives St Just in Penwith St Mawes Stratton Torpoint Truro Wadebridge See also: List of civil parishes in Cornwall

Rivers	Allen Camel Cober De Lank Fal Fowey Gannel Gover Hayle Helford Inny Kensey Looe Lynher Menalhyl Ottery Par Pont Pill Port Navas Red Seaton St Austell Tamar Tiddy Truro Valency

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Penwith North Cornwall

Biological Sites of Special Scientific Interest in Cornwall and the Isles of Scilly

Summary	Summarised data for all sites (biological and geological)

Cornwall	Aire Point to Carrick Du Amble Marshes Baulk Head to Mullion Bedruthan Steps and Park Head Boconnoc Park and Woods Bodmin Moor, North Borlasevath and Retallack Moor Boscastle to Widemouth Brendonmoor Breney Common Bude Coast Cabilla Manor Wood Caerthillian to Kennack Carnkief Pond Carrick Heaths Carricknath Point to Porthbean Beach Carrine Common & Penwethers Chyenhal Moor Cligga Head Coombe Mill Coverack to Porthoustock Crow's Nest Crowhill Valley Dozmary Pool Draynes Wood East Lizard Heathlands Eglarooze Cliff Gerrans Bay to Camels Cove Godrevy Head to St Agnes Goonhilly Downs Goss and Tregoss Moors Greenamoor Greenscoombe Wood, Luckett Grimscott Gwithian to Mexico Towans Hayle Estuary & Carrack Gladden Kelsey Head Kennack to Coverack Kernick and Ottery Meadows Loe Pool Loggans Moor Lower Bostraze and Leswidden Lower Fal & Helford Intertidal Lymsworthy Meadows Lynher Estuary Malpas Estuary Marazion Marsh Meddon Moor Meneage Coastal Section Merthen Wood Minster Church Mullion Cliff to Predannack Cliff Nance Wood Newlyn Downs Ottery Valley Park Wood Penhale Dunes Pentire Peninsula Phoenix United Mine Plymouth Sound Shores And Cliffs Polruan to Polperro Polyne Quarry Porthgwarra to Pordenack Point Rame Head & Whitsand Bay Red Moor Redlake Meadows & Hoggs Moor Retire Common River Camel Valley and Tributaries Rock Dunes Rosemullion Rosenannon Bog and Downs St Austell Clay Pits St John's Lake St Nectan's Glen Steeple Point to Marsland Mouth Swanpool Sylvia's Meadow Talland Barton Tamar–Tavy Estuary Tintagel Cliffs Treen Cliff Tregonetha & Belowda Downs Tregonning Hill Trehane Barton Trelow Downs Trevose Head and Constantine Bay Upper Fal Estuary and Woods Upper Fowey Valley Ventongimps Moor West Cornwall Bryophytes West Lizard

Isles of Scilly	Annet Big Pool and Browarth Point Castle Down (Tresco) Chapel Down Eastern Isles Great Pool Gugh Higher Moors and Porth Hellick Pool Lower Moors Norrard Rocks Peninnis Head Pentle Bay, Merrick And Round Islands Plains and Great Bay Pool Of Bryher & Popplestone Bank Rushy Bay and Heathy Hill Samson Shipman Head & Shipman Down St Helen's St Martin's Sedimentary Shore Teän Western Rocks White Island Wingletang Down

Neighbouring areas Sites of Special Scientific Interest in Devon Sites of Special Scientific Interest in Somerset

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