Beaver Dams will not replenish their inventory; when harvesting, all resources must be collected to destroy the dam so that it can respawn. Respawn time can range from a few minutes to several hours, depending on active hours. Beaver Dams typically appear close to Castoroides spawn locations an...
or the beavers will attack you. When it is safe to access the dam, break it by emptying the entire inventory. Review some of the best beaver dam locations onThe Centermap.