To fill your sack, you can go to:
- The chicken coop north of Port Sarim
- The haystack north of Ardougne
- The haystack near the Emblem Trader in Edgeville
- The hay bales north-west of Lumbridge
- The "inner" Barbarian Outpost (Agility training course)
- You can also fill sacks from the hay bales north-east of Draynor village, north-west of Lumbridge, and north of Ardougne.