For a good deal, consider these cheap hotels in Merthyr Tydfil. Castle Hotel is a 3-star hotel with free WiFi, a restaurant, and a bar. Another option is Tregenna Hotel, a 2-star hotel with free WiFi, free parking, and a restaurant. You'll also find Nant Ddu Lodge Hotel, which is a 3-star hotel with free full breakfast, free WiFi, and an indoor pool.
Here are some of the most popular hotels in central Merthyr Tydfil:
If you're hoping to stay within a short distance of Brecon Mountain Railway, that won't be a problem. About 1 mile from the center of Merthyr Tydfil, this railway of the past is within easy reach of a few great hotels. You can jump out of bed and go straight there from Penrhadw Farm (1 mile away). You could also investigate what's available at James Place @ The Brecon Beacons (1 mile away) and 2 Bedroom Accommodation in Pontsticill (1 mile away).