Giant frog legs are dropped by giant frogs in the Lumbridge Swamp Caves, and heals six hitpoints. They can be used with a raw cave eel on the life altar in the Creature Creation to make a frogeel. They are a clue of where to find Solus Dellagar in the quest Wanted!. Hudo will offer to buy them for 1000 coins each.
Dropping monsters[]
Monster Combat level Quantity Rarity Giant frog 99 1 Common