HMS A7

SS Rosehill, also known as SS Penhill, was a 2,788 GRT steel-hulled collier built in 1911 by S.P. Austin and Son of Sunderland under the name Minster. She was torpedoed by the Imperial German Navy submarine UB-40 in the English Channel off Fowey, Cornwall, England, on 23 September 1917 while en route from Cardiff, Wales, to Devonport. She was taken under tow but sank in Whitsand Bay at 18:05. Her wreck lies in 28 metres (92 feet) of water at 50°19.793′N 4°18.520′W with her bow to the north. This wreck, which has been adopted by Totnes SAC under the "adopt-a-wreck" scheme, is often overlooked by divers, as the wrecks of the Liberty ship SS James Eagan Layne and Royal Navy frigate HMS Scylla are close by and in shallower water. The wreck is considerably broken up, and is hard to find on an echo sounder.

Whitsand Bay, situated in south east Cornwall, England, runs from Rame Head in the east to Portwrinkle in the west. It is characterised by sheer, high cliffs, dramatic scenery and long stretches of sandy beaches. The South West Coast Path runs the length of the bay.

Portwrinkle (Cornish: Porthwykkel) is a small coastal village in south-east Cornwall, England, United Kingdom. It is at the western end of Whitsand Bay five miles (8 km) south-west of Saltash.Portwinkle was traditionally a fishing village and the old 17th century walls of the pilchard cellars are still standing, although they have been incorporated into housing. The village has a harbour and two beaches are accessible from it. Although the village has no shops, apart from the beach car park cafe, there is a post office in nearby village of Crafthole. The Whitsand Bay Hotel – formerly a mansion called Thanckes House in nearby Torpoint, dismantled and re-erected in Portwrinkle – closed in 2018 but (as of 2022) the Grade II listed building still stands, awaiting redevelopment.

Crafthole is a village in the parish of Sheviock, in southeast Cornwall, England, UK. The village has a pub (Finnygook Inn), Post Office, shop, Methodist chapel, and village hall.

Sheviock (Cornish: Seviek, meaning strawberry bed) is a coastal civil parish and a hamlet in south-east Cornwall, England, United Kingdom. The parish is two miles (3 km) south of St Germans and three miles (5 km) south-west of Saltash.Sheviock parish is in the St Germans Registration District and the population in the 2001 census was 683, which had decreased to 646 at the 2011 census. To the north, the parish is bordered by St Germans Creek (the tidal estuary of the River Tiddy, a tributary of the Lynher River) and to the south by the sea. To the east, Sheviock is bordered by Antony parish and to the west by Deviock parish.

Tregantle Fort in south east Cornwall is one of several forts surrounding Plymouth that were built as a result of a decision in Lord Palmerston's premiership to deter the French from attacking naval bases on the Channel coast.

Tregantle Down Battery was a high angle gun battery in south east Cornwall. It was built between 1888 and 1894 to defend HMNB Devonport from Whitsand Bay area and was infilled to form a car park in the early 1970s.

Lower Tregantle is a hamlet in Cornwall, England, UK. It is about half a mile south of Antony; Higher Tregantle is about a quarter of a mile further south. It should be distinguished from Lower Tregantle, a farm near Luxulyan. Higher Tregantle Farmhouse is a grade II listed building with part of the house dating back to the 17th century.

Narkurs is a hamlet in the south east of Cornwall, England. It is part of the civil parish of Deviock. It is about 2 km southeast of Hessenford. Historically an agricultural settlement, Narkurs has become smaller as this industry has declined, and in 2007 consisted of only 20 homes.

Scraesdon Fort, near the village of Antony, is one of several forts in South East Cornwall which formed part of the ring of forts surrounding Plymouth to protect Plymouth Sound and, in particular, the naval dockyard of Devonport from enemy naval attack. They were built as a result of a decision in Lord Palmerston's premiership to deter the French from attacking naval bases in the south of England. Scraesdon Fort was designed in 1859 by Captain (later Maj General) William Crossman, and was built by F Roach and Company, Plymouth. It was completed at a cost of £137,000. It is constructed in the Land Front, polygonal, near octagonal format. It has a dry ditch, and was designed to have twenty-seven 7-inch breech-loading guns on the ramparts. By 1893 it mounted one 64 Pounder Rifled Muzzle Loading Guns, eight 7-inch Rifled Breech Loading (RBL) gun, two 32 Pounder Smooth Bore Breech Loading (SBBL) guns and two 5-inch Breech Loading guns.The upper level is 254 ft above mean sea level (AMSL) and the lower level is 173 feet AMSL. The fort was used by the MOD as a training barracks, but it is currently empty, derelict and overgrown. It was used to train Royal Navy Artificer Apprentices from HMS Fisgard and HMS Raleigh; it is occasionally used now by Royal Marine Commandos recruits as part of their final exercise, as well as being used by local Army Reserve units. The most renowned history of the fort, is that of the Scraesdonians. These are two brothers who know the fort better than any map, or man. Legend has it, they have never been seen, nor caught whilst in the fort grounds. Their names will be etched in the history of the walls of Scraesdon for eternity. The fort is also used for airsoft events on an ad hoc basis. It was Grade II listed in 1968.A military railway. used from 1893 to 1903, connected the fort with the River Lynher at Wacker Quay, near St. Germans. It also provided a link to the main fort on the Rame peninsula at Fort Tregantle. The railway ran underneath the metal bridge and down a gradient, then went underneath the current A374 road, and alongside Wacker Quay. The locomotive shed was extant on the quayside until the late 2000s,when it was removed by Cornwall CC, who had been using it as a highways depot. and other remnants of the railway can also be seen . There was also an extensive marshalling area next to the east wall of the fort.

The River Lynher (Cornish: Linar) (or St Germans River downstream from its confluence with the Tiddy) flows through east Cornwall, England, and enters the River Tamar at the Hamoaze, which in turn flows into Plymouth Sound.