X21 might have some good ones, through Bishop Aukland going into Durham

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(24 Apr 2022, 7:40 pm)Andreos1 wrote 309 on a morning coming from Blyth towards Whitley Bay will be a good bet. Particularly if you can time it right, as you come down the coast.

Other operator routes, could include the E1 or the X4.
Both operate along the coast and that's going to offer you the most uninterrupted views of a sunrise.

I might try the sunset tomorrow