Best attractions and places to see around Mawr include a variety of natural landscapes and historical sites in Wales. The region is characterized by its reservoirs, river valleys, and elevated viewpoints, alongside ancient castles and unique natural monuments. Visitors can explore diverse environments, from challenging cave systems to family-friendly cycleways. Mawr offers opportunities for outdoor activities and cultural exploration within its varied terrain.
Last updated: April 23, 2026
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Wow just wow, didn’t expect the cave below the castle !!!
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The River Loughor is a river in Wales that marks the border between Carmarthenshire & Swansea. The river is sourced from an underground lake at the Black Mountain emerging at the surface from Llygad Llwchwr, which translates from the Welsh as eye of the Loughor😀
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At just 440 metres Tair Carn Isaf is a modestly sized hill, but its prominence at the western end of the Black Mountain, high above the Amman Valley, affords extensive views over central south Wales, into Powys, west to the Preselis, and over the Gower Peninsula and Severn Estuary.
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Carreg Cennen Castle is erected sometime after 1284 by Baron John Giffard and his son on the site of an earlier Welsh fortification. In 1462, Carreg Cennen flies the Lancastrian flag. Taken on behalf of the Yorkist king Edward IV, it is slighted by pick and crowbar, ending its life as a stronghold. Carreg Cennen castle is spectacularly located on a great limestone crag about 90m above the river Cennen, offering views miles around.
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Ruin of a late thirteenth-century castle, on a limestone rock where there may already have been a fort in the Iron Age. The earliest castle was most likely the work of the dynasty of Welsh princes. The oldest found written mention of the castle dates "only" from 1248 when Rhys Fychan (died 1271), great-grandson of Lord Rhys, conquered the castle from the English. In 1277 the castle was captured by Edward I of England in his first campaign against Llewelyn ap Gruffudd of Gwynedd (died 1282).[1] The castle was briefly reconquered in 1282 and 1287. In 1282–83 Edward I completed his conquest of Wales and granted Carreg Cennen Castle in 1283 to his loyal supporter John Giffard (d. 1299), baron of Brimpsfield (Gloucestershire). The current castle was most likely built by Baron Giffard and his son John (died 1322), not too long after 1284. Being a resident of Ghent myself, I thought it was a nice fact that the castle was in the hands of John of Gaunt (yes, John of Gaunt), Duke of Lancaster, for a while in the 14th century. During the War of the Roses (1455-1485), Carreg Cennen Castle was initially in Lancaster hands, but was later conquered by the York supporters. In the late 18th century the castle became popular among amateur archaeologists and artists, with William Turner visiting the castle in 1798. In the 19th century the second Earl of Cawdor began restoration work on Carreg Cennen Castle. In 1932 the castle came under state management. In the 1960s the castle became the property of the Morris family, owners of the Castell Farm farm near the castle. Source: Wikipedia The castle can be visited 364 days of the year. Just not on Christmas Day. 9:30 am - 4:30 pm (from April to October until 5:00 pm) The ticket desk is located at the tea room / gift shop ("downstairs", where the parking is also located). In high season and on weekends, tickets can also be purchased near the entrance to the castle. Entrance prices range from £6.50 for adults, £4.00 for discount holders, to £20.00 for a family ticket.
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Tair Carn Isaf at 460m stands at the western end of the Brecon Beacons National Park. This position creates amazing views south over the Gower and out to the Bristol Channel and west towards Pembrokeshire. There are three stone cairns on the summit, one has a trig point.
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Nice gravel track down to the reservoir with lovely views. Track down can get muddy but good fun. Do-able on a gravel bike
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A beautiful view and many small plants to discover.
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The region around Mawr is rich in history. A prominent historical site is Carreg Cennen Castle, which was likely established in the late 12th century and features extensive views and a notable cave system. In other parts of Wales, you can find significant historical buildings like Plas Mawr in Conwy, a grand Elizabethan townhouse, and the Iron Age hut circles known as Ty Mawr on Anglesey, which were inhabited by ancient Celts.
Yes, Mawr offers several family-friendly options. The Amman Valley Cycleway is a traffic-free path that follows the River Amman, ideal for families and those who prefer a gentle ride. Additionally, Upper Lliw Reservoir provides easy walking routes along its edges, perfect for a family stroll with fantastic views.
For breathtaking views, head to Tair Carn Isaf Summit, which offers amazing panoramic views south over the Gower and out to the Bristol Channel, and west towards Pembrokeshire. Upper Lliw Reservoir also provides fantastic views along its walking paths. The source of the River Loughor, Llygad Llwchwr, is a magical spot where the river emerges from an underground lake at the Black Mountain.
Mawr offers a variety of hiking trails. You can find easy walking routes around Upper Lliw Reservoir. For more options, explore the hiking guide for Mawr, which includes routes like the moderate 'From Lower Lliw Reservoir to Upper Lliw Reservoir loop' and easy trails such as 'Lower Lliw Reservoir – Lower Lliw Reservoir and Café loop'.
Absolutely! The Amman Valley Cycleway is a high-quality, traffic-free path along the River Amman, suitable for all skill levels. For mountain biking enthusiasts, the MTB Trails around Mawr guide features routes like the 'Forest Singletrack Trail – Banc y Bo Railway Path loop' and 'Lower Lliw Reservoir and Café – Lower Lliw Reservoir loop'.
Beyond the scenic views, Mawr is home to unique natural monuments. Llygad Llwchwr (Source of the River Loughor) is a fascinating spot where the River Loughor emerges from an underground lake, part of a 1.2 km-long cave system. Carreg Cennen Castle also features a notable cave system beneath its ancient walls.
Yes, for those seeking more challenging adventures, the cave system at Llygad Llwchwr (Source of the River Loughor) offers exploration opportunities, though beyond the fourth river chamber, it requires cave diving. Additionally, some running routes in the area, such as those found in the Running Trails around Mawr guide, are rated as difficult, providing a good challenge.
Visitors appreciate the diverse experiences Mawr offers. For Carreg Cennen Castle, the tea room with home cooking and the rare longhorn cattle are highlights, alongside the awesome viewpoints and picnic spots. The Amman Valley Cycleway is loved for its traffic-free, high-quality path along the beautiful River Amman, especially by families. The easy walking and fantastic views at Upper Lliw Reservoir are also highly rated.
Yes, Bryn Mawr, Pennsylvania, offers a rich cultural scene. You can visit the Bryn Mawr Film Institute, a historic movie house featuring current and classic films. The Main Line Art Center is a hub for creativity with galleries and art instruction. Bryn Mawr College also showcases pioneering American Collegiate Gothic architecture, allowing visitors to experience student life.
The Bryn Mawr neighborhood in Minneapolis is known for its natural beauty. Theodore Wirth Regional Park, the largest park in Minneapolis, offers year-round activities like cycling, golf, archery, sledding, and cross-country skiing. Within it, the Eloise Butler Wildflower Garden and Bird Sanctuary features over 600 plant species. Brownie Lake provides shaded walking trails and opportunities for kayaking.
While specific seasonal details for Mawr aren't provided, generally, spring and autumn offer pleasant temperatures for hiking and cycling in Wales, with vibrant foliage or blooming wildflowers. Summer provides longer daylight hours, ideal for extended outdoor adventures, though it can be busier. Winter can be beautiful for crisp walks, but some trails might be more challenging due to weather conditions.
Many outdoor areas in Wales are dog-friendly, provided dogs are kept under control, especially around livestock. The easy walking routes around Upper Lliw Reservoir are generally suitable for walks with dogs. Always check local signage for specific restrictions, especially in nature reserves or protected areas.
For easy walks, the paths along the edges of Upper Lliw Reservoir are a great choice, offering easy terrain and fantastic views. The Amman Valley Cycleway, while designed for cycling, also provides a gentle, traffic-free path suitable for easy walks along the river bank. The hiking guide for Mawr also lists easy routes like the 'Lower Lliw Reservoir – Lower Lliw Reservoir and Café loop'.
Yes, 'Ty Mawr' (meaning 'Big House' in Welsh) appears in several significant locations across Wales. Notably, there's Ty Mawr in Blaenavon, a Grade II-listed mansion built in 1798 for an ironmaster. On Anglesey, the Holyhead Mountain Hut Circles are known as Ty Mawr or 'Irishmen's Huts', representing well-preserved Iron Age settlements.
Yes, the Pontcysyllte Aqueduct and Canal, a UNESCO World Heritage site and an engineering marvel from the Industrial Revolution, is located near Cefn Mawr in Wales. This site offers a fascinating glimpse into the region's industrial heritage and is a testament to 18th-century engineering.


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