List of Sites and Alignments on the Scillies

Isle of Scilly

Click here for the Scillonian ancient sites and alignments map

Lists of alignments and sites on the Isles of Scilly.

On the right-hand sites list there are links where you can find descriptions of each ancient site.

Scilly Alignments

SC01 Mt Flagon - Gt Ganilly

Mount Flagon menhir SV 9093 1093
Middle Arthur chambered cairn SV 939 138
Little Arthur cairn SV 9413 1389
Great Ganilly cairn SV 946 146

SC02 White Island - Innisidgen

White Island cairn SV 924 176

Knackyboy cairn SV 9235 1586
Innisidgen tumulus SV 922 126

SC03 Castle Down - Chapel Downs

Castle Down cairn SV 886 158

Knackyboy cairn SV 9235 1586
Chapel Downs cairns SV 942 158

SC04 South Hill - Menawathan

South Hill cairn, Samson SV 878 124

(Bar Point, St Mary's)
Great Arthur cairn SV 942 135
Menawathan cairn SV 9553 1366

SC05 Innisidgen - Chapel Downs

Innisidgen chambered cairn SV 922 126

Gun Hill cairn SV 9390 1537
Chapel Downs cairns SV 942 158

SC06 Innisidgen - Bryher

Innisidgen SV 922 126

Tresco Abbey SV 8951 1429
Bryher cairnfield SV 876 156

SC07 Samson - Bryher

South Hill cairn, Samson SV 878 124

Works Carn, Samson Hill, Bryher SV 8781 1410
Tumulus, Bryher cairnfield SV 876 156
Shipman Head cliff castle SV 876 156
Shipman Head is quite big and long, and the alignment strikes one part of it. South Hill is quite long too, though this line follows its long axis through a few remains on top of it.

SC08 Samson - St Martin's

North Hill cairn, Samson SV 877 131

?? Tresco (suspected site) SV 8998 1401
Cruther's Hill N cairn, St Martins SV 9289 1522
Chapel Downs cairns, St Martins SV 942 158

SC09 Gugh - Bryher

Carn of Works, South Hill, Gugh SV 89086 08065

North Hill cairns, Samson SV 877 131
Gweal Hill E mound, Bryher SV 8716 1492

SC10 Gugh - Gt Ganilly

Obadiah's Barrow, Gugh SV 887 085

Buzza Hill cairn, St Mary's SV 9059 1037
Middle Arthur N cairn SV 939 138
Great Ganilly C cairn SV 946 146

SC11 White Island - Gweal Hill

White Island cairn SV 9224 1762

Castle Down cairn, Tresco SV 886 158
Gweal Hill SE mound SV 8716 1492
All are chambered cairns.

SC12 Mt Flagon - Knackyboy

Mt Flagon menhir, St Mary's SV 9093 1093

Long Rock menhir SV 914 124
Knackyboy cairn SV 9235 1586

SC13 Gt Arthur - Gun Hill

Great Arthur N entrance mound SV 942 135

Little Arthur cairns SV 9413 1390
Gun Hill SV 9390 1537

SC14 Innisidjen - Gugh

Innisidgen SE chambered cairn SV 922 126

Buzza Hill entrance mound SV 9059 1037
Clapper of Works cairn, Gugh SV 8902 0794
All chambered cairns.

SC15 Ganilly - White Island

Great Ganilly NW cairn SV 946 146

Gun Hill cairn SV 9390 1537
White Island cairn SV 924 176

SC16 Gt Ganilly - Bryher

Great Ganilly C cairn SV 946 146

Tresco Abbey SV 8951 1429
Bonfire Carn, Samson Hill, Bryher SV 8793 1423

SC17 Great Arthur - Knackyboy

Great Arthur N cairn SV 942 135

Middle Arthur S and C cairns SV 939 138
Cruther's Hill C cairn SV 9291 1517
Knackyboy cairn SV 9235 1586

SC18 Gweal Hill - Maypole

Gweal Hill cairns, Bryher SV 8716 1492

Hillside Farm cairn, Bryher SV 878 145
Halangy Lower cairn, St Mary's SV 911 123
Maypole cairn SV 920 117

SC19 South Hill - Helvear

South Hill C mound, Samson SV 878 124

Bant's Carn chambered cairn SV 910 123
Halangy Lower mound SV 911 123
Helvear Hill cairn SV 922 123

SC20 South Hill - Maypole

South Hill S cairn SV 878 124

Carn Morval Down cairn SV 907 119
Maypole cairn SV 920 117

SC21 Carn Morval - Gun Hill

Carn Morval NE cairn SV 9084 1196

Halangy Lower barrow SV 911 123
Porthloo NE barrow SV 9152 1280
Gun Hill cairn, St Martin's SV 9390 1537

SC22 Gun Hill - Samson Hill

Gun Hill cairn, St Martin's SV 9390 1537

Cruther's Hill C cairn SV 9291 1517
Works Carn, Samson Hill, Bryher SV 8781 1410

SC23 Wingletang - Cruther's Hill

Wingletang Down cairnfield, St Agnes SV 883 075

Obadiah's Barrow, Gugh SV 887 085
Halangy Lower cairn, St Mary's SV 911 123
Cruther's Hill N cairn, St Martin's SV 9289 1522

SC24 St Agnes - Chapel Downs

Periglis Stone menhir, St Agnes SV 8762 0833

Carn Morval Down cairn, St Mary's SV 9084 1196
Halangy Lower cairn SV 911 123
Porthloo W cairn, St Mary's SV 9151 1276
Chapel Downs cairns, St Martin's SV 942 158

The only five-site Scilly alignment found.

SC25 Periglis Stone - Bryher cairnfield

Periglis Stone, St Agnes SV 8762 0833

North Hill S cairn, Bryher SV 877 131
Hillside Farm mound SV 878 145
Bryher cairnfield SV 876 156

SC26 South Hill - Chapel Downs

South Hill N cairn, Samson SV 878 124

Cruther's Hill S cairn SV 9295 1513
Higher Town Bay stone row SV 933 153
Chapel Downs cairns SV 942 158

Ancient sites

Bant's Carn menhir. SV 9109 1254. 49.933014N 6.306276W. MG. PS.

Bant's Carn Late Stone Age chambered mound. SV 910 123. 49.930816N 6.3073344W. MA. EH.

Bar Point Bronze Age round hut settlement. SV 915 129. 49.936454N 6.300867W. MG. PS.

Bonfire Carn, Bryher, beacon hill. SV 8793 1423. 49.946529N 6.3515475W.

Bryher cairnfield. About 134 Bronze Age cairns. SV 876156. 49.963127N 6.3576497W. MG.

Bryher holed stone. Site of Bronze Age double holed stone, now moved to Tresco Abbey. SV 8791 1509. 49.954275N 6.3525471W.

Burnt Hill cliff castle. SV 917164. 49.967948N 6.3008883W.

Buzza Hill entrance mound. SV 9059 1037. 49.913295N 6.3114838W.

Carn Morval Down Neolithic chambered mound. SV 907 119. 49.927072N 6.311182W. MG. PS.

Carn Morval Down Cairn. SV 9084 1196. 49.927683N 6.309285W. MG. PS.

Carn of Works, large chambered mound. SV 8909 0807. 49.891842N 6.3305134W.

Carn Valla, Gugh entrance mound. SV 8886 0845. 49.895179N 6.3339644W

Castle Down Tresco chambered mound. SV886158. 49.960957N 6.343505W. MG.

Castle Down cairnfield Bronze Age cairnfield. SV 8832 1639. 49.966104N 6.3478749W. PS.

Chapel Downs Cairns and field system. SV 942158. 49.963853N 6.2656495W.

Clapper of Works entrance mound. SV 8902 0794. 49.890688N. 6.3313329W.

Cruther's Hill C entrance mound. SV 9291 1517. 49.957541N 6.2830829W

Cruther's Hill N entrance mound. SV 9289 1522. 49.957979N 6.2834008W

Cruther's Hill S entrance mound. SV 9295 1513. 49.957202N 6.2824950W

Giant's Castle Iron Age cliff castle. SV 9250 1009. 49.911769N 6.2847331W.

Great Arthur Cairns, three entrance mounds. SV 942 135. 49.943225N 6.2638242W.

Great Ganilly Cairns. SV 946 146. 49.953295N 6.2591366W.

Gun Hill cairn. SV 9390 1537. 49.959843N 6.2694789W.

Gweal Hill, Scillonian entrance mound, ruined. SV 8716 1492. 49.952314N 6.3628083W. MG.

Gweal Hill Cairn. SV 87161492. 49.95231N 6.362808W. MG.

Gweal Hill Kerbed cairn. SV 8716 1492. 49.952314N 6.3628083W. MG.

Halangy Down ancient settlement. SV 911 124. 49° 55' 52.07"" N 6° 18' 18.64" W. MG.

Halangy Lower Chambered cairn. SV 911 123. 49.930866N 6.305945W. MG.

Hanjague marine rock outcrop.

Hellvear Down Bronze Age round cairn. SV 919 126. 49.933970N 6.29507W. MG.

Helvear Farm Bronze Age cairn. SV 922 123. 49.931434N 6.290662W. MG. PS.

Helvear Hill Scillonian chambered cairn. SV923123. 49.931485N 6.289272W. MG. PS.

Higher Town Bay stone row, St Martin's. SV 933 153. 49.958907N 6.2777647W. MG.

Hillside Farm Iron Age cist mound, Bryher, destroyed. Goods found of a unique sword and mirror. SV 878 145. 49.948881N 6.353573W. MG.

Innisidgen chambered cairns. SV922126. 49°56'0.57"N 6°17'24.18W. WP. MA.

Kittern Hill ancient settlement with cairn cemetery. SV 888 087. 49.897389N 6.3349986W.

Kittern Hill entrance mound. SV 8879 0866. 49.897025N 6.3351052W.

Kittern Hill 2 Cairn. SV 8879 0866.

Knackyboy cairn. SV 92351586. 49.96344N 6.29142W. CF.

Little Arthur cairn group, five cairns. SV 94126 13895. 49.946726N 6.2651641W.

Long Rock menhir. SV 914124. 49.93192N 6.30186W. MG.

Maypole Scillonian chambered mound. SV 920 117. 49.925950N 6.292962W. MG. PS.

Menawathan Cairn. SV 9553 1366. 49.945339N 6.2454660W.

Middle Arthur entrance mound. SV 939 138. 49.945762N 6.2682318W.

Mount Flagon menhir. SV 9093 1093. 49.918493N 6.3072099W. MG.

Nornour ancient village. SV944147. 49.954088N 6.261996W. MG.

North Hill, twelve cairns and entrance mounds. SV 877 131. 49.93611N 6.353256W. MG.

North Hill, Samson, entrance mound. SV 8774 1308. 49.936117N 6.3532567W. MG.

Obadiah's Barrow Scillonian chambered barrow. SV 887 085. 49°53'41.66"N 6°20'7.38"W. WP. MG. MA.

Old Man of Gugh menhir. SV 891 084. 49°53'38.99"N 6°19'52.09"W. MG.

Pendrathen Beach ancient hut circle settlement. SV 914 127. 49.934609N 6.302097W. MG. PS.

Periglis Stone, aka Priest's Rock. Menhir. SV 8762 0833. 49.893456N 6.3510819W.

Porth Hellick Scillonian chambered cairn. SV 929 108. 49°55'3.74"N 6°16'44.01"W. MA.

Porthcressa barrow field - 11 Iron Age cists and other finds. Destroyed, lying underneath housing estate. SV901104. 49.913309N 6.318313W. MG.

Porthloo Bronze Age cairn. SV91511276. 49.935204N 6.300616W. MG. PS.

Porthloo Barrow. SV91521280. 49.935568N 6.300509W. MG. PS.

Samson Hill, Bryher. Two cairns, possibly chambered. 49.946449N 6.3526041W.

Shipman Head cliff stronghold. SV876156. 49.958641N 6.357244W. MG. PS.

South Hill, Samson. Prominent hill. SV 891 080.

South Hill, Samson. Four chambered cairns on summit of South Hill. SV878124. 49.930049N 6.351873W. MG.

St Mary's Church

St Warna's Well. Holy Well. SV 8804 0778. 49.888743N 6.3448077W.

Stone Row, Gugh. SV 88839 08565. 49.896201N. 6.3343501W

Tinkler's Hill. Four cairns on crest of hill. SV917164. 49.967947N 6.300888W.

Toll's Hill ancient village. SV 928 121. 49.929949N 6.282166W. PS.

Tresco Abbey. A priory church. SV 8951 1429. 49.947906N 6.329584W.

White Island chambered cairn. SV 924 176. 49.979071N 6.292114W. MG.

White Island entrance mound and five cairns. SV 9224 1762. 49.979169N 6.2943554W.

Wingletang Down. Cairn cemetery, 43 cairns. SV 883 075. 49.886367N 6.3409730W.

Works Carn, Bryher. Scillonian entrance mound, chamber oriented to midsummer solstice sunrise. SV 8781 1410. 49.945301N 6.3531099W.

Sometimes, when the tide is low and certain atmospheric conditions prevail,

it appears as if the Scillies are rising out of the sea.

This photo is taken from Carn Boel, just south of Land's End.

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