As you will have to deliver them yourself, it would probably be best were you to approach your nearest and ask them.
When I downsized on retirement a few years ago, I approached the GCR at Loughborough regarding giving them quite a few transport books, and they were delighted to receive them.

The Ribble Steam Railway is about a mile from me. I answered a request for old magazines which they put out on facebook about a year ago. They made me feel like I was being a pain. After dialogue with them, I turned up as requested with three bags full and was greeted with something along the lines of "must you bring them here? We don't want them but will take them off your hands if we must." Very upsetting. The only way it could've been worse was if the bloke was being paid rather than a volunteer.
What an awful greeting for you,I can assure you Llangollen railway would have made you feel at home, trouble is some volunteers or not what they appear,might be good with the shovel, but poor at PR. I too would have been more than annoyed if it had come from a paid employee,you must have left wondering will they burn them.
Whilst I agree with you about the attitude it's fair to say that many railways are bombarded with offers of this kind.
I always thank the person enthusiastically and wait until they are out of sight before putting them in our paper recycling skip!
Which is fair enough, but I was responding to a request they put out on Facebook for such magazines.
