Winterberries Farming Route in Bitterfrost Frontier.
You can toggle them in the GW2TacO / BlishHUD menu -> Tekkit's Guides -> Living World Season 3 -> Bitterfrost Frontier -> Winterberries. If you don't see these routes in the game, double-check if you properly followed Installation Instructions. If you still have issues, let me know in the #all-in-one-issues channel on our Discord
Everything you need to know about Bitterfrost Frontier Farms.