The major landmark in the town is Halton Castle on the top of Halton Hill near the geographical centre of the town. Only ruins of the castle exist, but there are widespread views from the top of the hill. The interior of the castle grounds is open at advertised times. Incorporated in the castle walls is the Castle Hotel, which used to include a courthouse on the first floor. Another landmark is Norton water tower, built of Runcorn sandstone, 112 feet (34 m) high, which holds 672,000 imperial gallons (3 million litres) of water and supplies water to Liverpool.
An important historical site and the major visitor centre in the town is Norton Priory, now a museum. The site contains the remains of a priory with adjacent gardens, formerly of a country house. Nearby are a walled garden, including a national collection of tree quinces, and an ice house.
Much of the architecture of the town is undistinguished, but there are listed buildings of some importance. The listed churches are All Saints Parish Church and Holy Trinity Church in the centre of the older part of the town, St Mary`s in Halton village, St John`s in Weston, and Christ Church in Weston Point. All Saints` Church, a Grade II* listed building, dates from 1849 and was built by Anthony Salvin in red sandstone. The oldest existing houses are the Seneschal`s House in Halton village (1598), Weston Old Hall (1607), Brookfield Farmhouse (1691), and Halton Old Hall (1693). Other outstanding houses include Runcorn Town Hall (formerly Halton Grange), Camden House and Cottage in High Street, and Bridgewater House near the Ship Canal.
A war memorial to those who lost their lives in the First and Second World Wars, as well as those killed later conflicts, is located at the end of Moughland Lane. There is a memorial in Castle Road, Halton village, commemorating residents of the village who served in the Boer War.
Large Double Room inclusive of bills and wifi in a fantastic house share in a great location on the outskirts of Runcorn Town Centre and just down the road from Runcorn train station.