Cadw & National Trust places in Anglesey

Neolithic passage tomb with five decorated stones under a reconstructed mound on the clifftop above Porth Trecastell; free, viewed through the gate 10am to 4pm, chamber open on booked summer tours, beach car park across the cove.

Edward I's unfinished concentric masterpiece on Anglesey, a World Heritage castle with a water-filled moat, 300 arrow loops, wall walks and a chapel; town council car park on the seafront two minutes away, £8 all day.

Neolithic cromlech with a mushroom-shaped capstone on three uprights in a sheep field near Llangaffo, with views of Eryri; free, open daylight hours, a short field walk from a lay-by at the gate, no car park.

Anglesey's most famous prehistoric monument, a Neolithic passage tomb aligned on the midsummer sunrise inside the ring of an earlier henge, its chamber open to enter; free, open daylight hours, a 650-metre walk from the roadside lay-by.

Late Roman coastal fort in Holyhead town centre, its walls 13 feet high with four corner towers wrapped around St Cybi's churchyard above the harbour; free, open daylight hours, council pay and display car park below the north wall.

Rectangular Iron Age and Roman-period farmstead enclosure of double banks and marshy ditches near Brynsiencyn, excavated in 1866 for its roundhouse, samian pottery and Roman coin; free, open daylight hours, a small lay-by at the gate.

Iron Age hillfort of 17 acres with ten-foot ramparts on the summit of Holyhead Mountain, enclosing a fourth-century Roman watchtower beside the trig point; free, open daylight hours, a strenuous climb from pay and display car parks below.

Roofless 12th-century chapel in a field above Lligwy Bay with a Tudor burial vault, visited with Din Llugwy and the Llugwy tomb from one lane; free, open daily, lay-by parking and a short field walk.

Circular prehistoric earthwork west of Brynsiencyn with a grassed bank up to 2.6 metres high, begun in the late Neolithic and occupied into Roman times; free, 10am to 4pm, a 400-metre walk up a farm track from the A4080 lay-by.

Walled late Roman village of roundhouses and workshops hidden in a wooded grove above Lligwy Bay, with walls two metres high; free, open daily, a 340-metre field path from the lay-by shared with Capel Llugwy.

Limewashed H-plan medieval hall house of the 14th century near Llansadwrn, recorded in 1352, Grade I and restored; free to view from outside, interior only on Cadw's booked summer tours, a 300-metre walk from a pull-in through a farmyard.

Stone foundations of 20 prehistoric roundhouses on a shelf below Holyhead Mountain with views to South Stack; free, open daylight hours, five minutes from the RSPB's pay and display Elin's Tower car park.

Late Neolithic tomb beside the Llugwy lane near Moelfre, its 25-ton capstone one of Britain's biggest resting low on eight stones, a few metres from the road; free, open daily, tiny roadside space or the lay-by 235 m up the lane.

Excavated 13th-century court of the princes of Gwynedd at the edge of Newborough, the only one on public view, with the footings of its hall inside a walled enclosure; free, open daylight hours, a 450-metre walk from the village car park.

Sir Richard Bulkeley's domed stone dovecote of about 1600 with 1,000 nest holes, across the road from Penmon Priory on the way to Penmon Point; free, open daily, paid roadside parking at the private toll hut.

Sixth-century holy site near Penmon Point: 13th-century Augustinian refectory, St Seiriol's healing well and the carved 10th-century Penmon Cross in the parish church; free, 10am to 4pm, third-party paid parking shared with the dovecote.

Two Bronze Age standing stones three metres tall on a saddle of farmland south-west of Holyhead, with views to Holyhead Mountain and the sea; free, open daylight hours, a short walk from Plas Road through a kissing gate, no car park.

Pair of Neolithic burial chambers two metres apart near Llyn Llywenan, the southern capstone still raised on four uprights, the northern collapsed; free, open daylight hours, a 250-metre walk from the top of an estate lane, no parking.

Three Neolithic chambers raised in succession over 1,500 years in one cairn on the edge of Holyhead, the eastern tomb intact with its tall portal stones; free, open daylight hours, no car park.

Early Bronze Age standing stone 2.6 metres high on a ridge near the river Alaw north-east of Bodedern, shattered into three and bound with iron hoops in 1969; free, 10am to 4pm, a 600-metre walk across farmland from the farm entrance.

Neolithic burial chamber with a 12-foot capstone on brick-propped uprights in a field corner near Llanfaelog, reused in the Bronze Age; free, 10am to 4pm, a stile and 125-metre fenced path from the lane, no designated parking.

A stretch of the Wales Coast Path east of Cemaes on Anglesey's north coast, passing hay meadows, seals and porpoises to Porth Padrig's White Lady sea stack and the headland linked with St Patrick.

A shingle ridge and lagoon on Anglesey's north coast, home to a major tern colony.

Peaceful National Trust woodland on the Anglesey bank of the Menai Strait between the two bridges, with boardwalks, a bird hide, red squirrels and views of Eryri; dogs on leads.

A sheltered sandy cove on Holy Island, Anglesey, with views to Llŷn and Eryri, chough cliffs, sea caves and the wreck of the Missouri offshore.