I have enough terrain for a half dozen maps. My friend Ethan probably has enough for another 2. If people could bring some glaciers & trees though it'd be appreciated. I don't have a lot of those sight barriers except ruins.
This would be my first tournament, or large heroscape get together. When I used to play with my friends as kids we would just build one giant map with all the figures that would take 10+ hours lol. So I can adapt to whatever format you have in mind