W5 at Odyssey



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'Whowhatwherewhenwhy', or W5 as it is known, is Ireland's only purpose-built science and discovery centre. It is located on the bank of the River Lagan, at Odyssey, the Northern Ireland Landmark Millennium Project. W5 offers over 250 amazing interactive exhibits in four exhibition areas, as well as an ever-changing temporary exhibition space and events. W5 provides a fun, unique experience for visitors of all ages, including the stringless harp, a lie detector and a fog tornado. There are live science demonstrations through the day.

W5 at Odyssey
2 Queens Quay,BELFAST,BT3 9QQ


  • Suitable for children of all ages
  • Parking onsite
  • Parking nearby
  • Cafe
  • Fully accessible
  • Facilities: Hearing loop
  • Accessible toilets
Opening times
  • Open all year
  • Opening Times: Open all year, Mon-Fri 10-5, Sat 10-6, Sun 12-6 (last admission 1hr before closing). Closed 25-26 Dec

About the area

Discover Belfast

The capital of Northern Ireland since 1920, Belfast is a solid Victorian city with many surprises in store. Although historically it has been at the centre of the Troubles and the well-documented conflict between Republicans and Unionists, today it’s a pleasant, peaceful and friendly European city.

It was built largely on the sea trading, shipbuilding and textile trades, with large public buildings that sit grandly amid fading red-brick terraces and commercial premises. Parts of Belfast are a bit shabby, but it’s modernising quickly along the River Lagan and around the heart of the city. Even in the less touristy areas there is plenty of life and atmosphere. Belfast people are generous with their time and help; they may speak with black humour and they enjoy conversation. The city is very easy to negotiate and there are a number of green and pleasant ways to get around: on foot or by bicycle, on one of the frequent city buses or cruising along the River Lagan on a boat. 

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