It's more like mazandarani than galeshi but not sufficiently so to be called that. It has components of western also. Like all things in the mountains it's a village-centric milieu of everything and nothing with the sole aim stamping a bit of individuality on things and being different for difference sake.
Aye, I am certainly no expert on Caspian languages and their dialects, but as I understand it, there are over a dozen different dialects which is quite unusual in such a small ethnologue.
It all fascinates me.