The Cathedral will be the venue for a special concert on Monday 13th, and at the Castle there will also be a (ticketed, optional) Conference Dinneron Thursday 16th. Both Castle and Cathedral are in the historic centre of Durham, about 15 minutes' walk away from the TLC.
The congress's "social hub" will be at Collingwood College (which is just a couple of minutes' walk from the TLC), where delegates will be offered evening-meals in the dining-hall, and where they will have access to the college bar.
There is plenty of good-quality accommodation in Durham. Over 200 rooms are currently being held for NCS delegates, either at Collingwood College or at one of its near neighbours, Grey, Van Mildert or St Aidan's (all within 10 minutes walk of the TLC).
There are also 80 rooms being held for delegates at the Marriott hotel (about 14 minutes from the TLC) and another 30 at the Radisson (about 22 minutes).
The Nave of Durham Cathedral: location for the concert on Monday 13th July, 2020
Collingwood College: the Congress's "social hub"
The Great Hall of Durham Castle: location for the conference dinner on Thursday 16th July, 2020
Being a brand-new building, the TLC does not yet appear on all internet maps/navigation services. However, it is very close to the Bill Bryson Library (the University's Main Library). If you zoom in on the map below, you will see South Road just to the south of the river. On the corner between South Road and Stockton Road is the Bryson Library. The TLC is on the opposite side of South Road from the Library (i.e. on the west side of the road).
The Cathedral and Castle are both on Palace Green, which is the large green space in the middle of the "peninsula", the area bounded by the bend in the river visible in the photograph above. The bridge to the lower right of this picture (Kingsgate Bridge) offers the fastest (pedestrian) route to the TLC, which is just out of shot, about a hundred yards away from the small church at the bottom of the picture (St Oswald's).
University of Durham Interactive Map
For an alternative map of the city (with labels on the University's various buildings) please click the link to the right!