As a lot of you may know, I am writing about a fictional world. I drew a map of the area where the story is based and have put in mountains, rivers, plains etc. that are mentioned in the story and are sometimes integral to it. I am trying to be as consistent as I can i.e I want the area to look geographically authentic. I mention the changing of the seasons too in the text following a model which is found a a particular area of the world but I don't honestly know if it all marries up. I remember from the little geography I did do at school that the landscape and position of a place influences the type of seasons etc.
Is anyone aware of any resources I could use to research this to make it as authentic as possible? TIA :-)