Assassin’s Creed Valhalla (ACV) has 19 Raid Locations. This guide contains a map that shows the location of all Raids.
Raids allow you to pillage enemy camps that contain Supplies and Raw Materials. You need these materials to create new buildings at your settlement Ravensthorpe. By default they are hidden behind a fog on the map. Knowing where they are comes in handy when you want to upgrade your settlement’s level with more buildings.
You can do them at any time after doing the first story-related Raid in England. However, most are in high level areas and are better saved for later. Everything can still be done after the story in free roam. The way Raids work is that you drive by a Raid area with your ship and then activate the Raid via the displayed on-screen button when being close enough. Alternatively, you can also go there on foot and select the Raid option from the item wheel (hold Dpad Down).
Raids are marked with a red axe icon on the below map: 
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Raids Map
That’s all 19 Raids in AC Valhalla. Also remember you can find additional cargo at Wealth locations (marked gold on map) which provides additional materials for building your settlement.
How many times can you raid a location is it just once and your done or do you have to wait a bit before you can raid the location again?
I came here for this answer too
Once you found the golden wealth chests there, they won’t respawn. So the “proper” raid where you’re supposed to get the gold chests isn’t repeatable. Once you’ve raided the locaiton (got the gold chests there) the raid icon will disappear from the map.
However, you can manually select the “use horn” command from item wheel to call your raiding party on further visits to the location. But you won’t be able to get the materials again, that would be just something to do for fun. The enemies do respawn after fast travel. You can also choose the “Raid” prompt while driving by with your ship, but again this won’t earn you anything if you’ve already looted all wealth there.
They are bringing in a new system called river raid or something I think, which from what I can tell so far makes the raids completely re-play able but instead of the materials u get different rewards
I spent materials to build chicken coop and grain farm but when i left and come back, they are not built anymore.
Do we have more materials than needed to build all the things or am i fucked ? :D
I had a time lag last time I bought coin and researched and found out there’s a time lag sometimes when you buy something and when it pops up in inventory. Not always but some items sometimes.
the chicken coop you can build more than once. the supplies you can get through smaller gold icons on the map while raw materials you can only get through alliances and raids.
In Essex raid (santa maria’s abbey), I collected all the treasures/materials but the raid did not complete and the raid icon still shows on the map. Is this a known issue, and is there a fix? Also, would this prevent me from reaching settlement level 6?
I have done all the raid and have just 2 or 3 settlement upgrades left, but without more cargo locations it difficult to complete it.
Did you figure this out
I’ve completed all the raids with the big gold chests- but still need raw materials to get my settlement to level 6. Can I get the raw materials bu raising anywhere- or is it somehwere else?
I came for this question as well.
I also need to know
You can get raw materials from alliance quests too.
I completed all raids but ran out of Raw Supplies is my game bugged or something because I can’t do any alliance things either I cant figure out what to do any help would be nice