John Rennie FRSE FRS was a Scottish civil engineer who designed many bridges, canals, docks and warehouses, and a pioneer in the use of structural cast-iron.
Strumble Head Lighthouse stands on Ynys Meicel, also known as Strumble Head, a rocky island at the northwest corner of Pencaer area, five miles west of the town of Fishguard, in northern Pembrokeshire, Wales.
Ynys Llanddwyn is a small tidal island off the west coast of Anglesey, northwest Wales. The nearest town is Newborough.
Caldey Lighthouse is located on the south end of Caldey Island, three miles (5 km) off the south Pembrokeshire, Wales coastline, a small island inhabited by a Cistercian monastery.
Salt Island is joined to Holy Island, Anglesey, in North Wales. It is a natural provider of shelter for the town's Old Harbour from the Irish Sea and is part of the Port of Holyhead.
Whiteford Point Lighthouse is located off the coast at Whiteford Point near Whiteford Sands, on the Gower Peninsula, south Wales.
Point Lynas Lighthouse is located on a headland in Llaneilian Community, on the north-east corner of Anglesey in North Wales. A pilot station was established on the point in 1766, to guide ships entering and leaving Liverpool, with an associated lighthouse added in 1779. The present building was built on the hilltop in 1835, so does not need a tower. Built and managed by the Mersey Docks and Harbour Board, it did not come under the care of Trinity House until 1973. By 2001 the lights were fully automated, so no resident staff were needed. whilst the light is retained in operational use, the building and associated lighthouse keepers cottages were returned to the Mersey Docks and Harbour Board who sold them to be a private home and holiday accommodation.
Trwyn Du Lighthouse, also known as Penmon Lighthouse, is a lighthouse between Black Point near Penmon and Ynys Seiriol, or Puffin Island, at the eastern extremity of Anglesey, marking the passage between the two islands.
The Amlwch Lighthouse is a lighthouse tower situated on the outer pier of Amlwch, at the northeast tip of Anglesey, Wales. The existing lighthouse, a square tower erected in 1853, is the fourth on this site. It has original fine, but battered, ashlar masonry to a height of 4.6 metres (15 ft); the present lantern was added on top at a later date.
Dún Laoghaire Harbour and Carlisle Pier were constructed in the nineteenth century for the purposes of sheltering ships and accommodating the mailboat which sailed between Dún Laoghaire and Holyhead. The nearby settlement of Dún Laoghaire has also previously been known as Kingstown and also as Dun Leary. Carlisle Pier has been known previously as Kingston Pier and the Mailboat Pier.
The Skerries Lighthouse was first lit on the highest point of the largest island in The Skerries, Isle of Anglesey after 1716. A patent for the lighthouse was subsequently obtained in 1824. The builder was William Trench, who lost his son off the rocks and died in debt in 1725. He is said to have originally been allowed a pension from the Post Office, rather than payment from shipping tolls. An act of 1730 allowed his son-in-law, Sutton Morgan, to increase the dues charged for shipping and confirmed the patent on the light to Morgan's heirs forever.
The West Blockhouse Point Beacons are three leading light beacons, they perform the same function as a lighthouse and are situated on the promontory to the west side of the entrance to Milford Haven, and lie about a mile north-east of St. Ann’s Head in Pembrokeshire, Wales. They consist of three octagonal reinforced-concrete towers of 30 feet (9.1 m), 37 feet (11 m) and 46 feet (14 m) in height, with sides 1.5 feet (0.46 m) in width, surmounted by cantilevered octagonal concrete platforms on which stand sealed-beam lights. The lights are accessed by ladders which extend up the columns through an opening in the platform. Each column carries a steel daymark painted black and white.
Watwick Point Beacon is a leading light, which is a type of lighthouse, located near Dale, Pembrokeshire, in Wales. It is designed to lead ships into Milford Haven in conjunction with the West Blockhouse Point Beacons. It is situated about half a mile to the north-east of West Blockhouse Point.
Burry Port harbour was built between 1830 and 1836 to replace the harbour at Pembrey, located 400 yards to the west. Burry Port was once the main coal exporting port for the nearby valleys, but the dock now houses the only marina in Carmarthenshire, and the harbour was dredged especially for this purpose.
Llaneilian is a village and community in the Welsh county of Anglesey. It is located in the north east of the island, 2.2 miles (3.5 km) east of Amlwch, 16.5 miles (26.6 km) north west of Menai Bridge and 12.5 miles (20.1 km) north of Llangefni. The community includes the villages of Dulas, Llaneilian, Pengorffwysfa, Cerrig Man and Penysarn, and at the 2001 census had a population of 1,192, decreasing slightly to 1,186 at the 2011 Census. The parish is crowned by its hill, Mynydd Eilian, a HuMP, popular with walkers and ramblers, and its beach, Traeth Eilian, which is popular with holidaymakers and for watersport activities. At the north easternmost point is Point Lynas,, while Ynys Dulas lies off the North East coast of the island, east of Dulas Bay.
Cylch-y-Garn is a community in the Welsh county of Anglesey, in Wales, located on the north west coast of the county, 9.0 miles (14.5 km) west of Amlwch, 12.5 miles (20.1 km) north east of Holyhead and 15.0 miles (24.1 km) north west of Llangefni. It includes the villages of Llanfair-yng-Nghornwy, Llanrhyddlad and Rhydwyn, plus Llanrhwydrys, the north west tip of the island at Carmel Head, and the offshore islands of the Skerries and West Mouse. At the 2001 census the community had a population of 675, increasing to 758 at the 2011 census.
St Tudwal's Lighthouse on Saint Tudwal's Island West is active, but unstaffed. The site of the lighthouse, which marks the north end of Cardigan Bay, was purchased by Trinity House in 1876 at the sum of £111 and the next year the stone building was complete. It is 10.7 metres (35 ft) tall, with its focal plane at 46 metres (151 ft). The main white light has a range of 14 nautical miles and its red sector light has a shorter range of 10 nautical miles. It gives 1 white and red flash every 15 seconds, the intensity being 12,000 candelas.
The Holyhead Breakwater Lighthouse stands on the Holyhead Breakwater outside the Welsh port of Holyhead, Anglesey.
Bardsey Lighthouse stands on the southerly tip of Bardsey Island, off the Llŷn Peninsula in Gwynedd, Wales, and guides vessels passing through St George's Channel and the Irish Sea.
