Fantastic location. Only 10 min walk from the train station - walk out of station and turn left, follow to river then turn left, easy!)
Staff only speak Chinese - concierge was exceptional, warned me about current scams on the streets, and put me in touch with someone that organised a speed boat trip into NK (even though borders are currently closed due to Ebola).
Dandong is a special city, extremely friendly people (like Beijing 10 years ago). If you can speak a little Chinese, this is a great city to relax in - not to mention the NK border - make sure you get someone to take you face to face with the actual border West of Dandong - amazing. Also be sure to check out HuaShan Great Wall - all taxi drivers know this place, right on the border and can see into NK, for people not willing to go all the way in :)
The hotel is still comfortable if you don't speak Chinese, just communicate in simple language. Buffet breakfast is sufficient - even for vegetarians.