Rubble Spring is a vast flatland composed of a freshwater spring and streams that flows towards The Far Coast. It is partially encompassed by the southernmost region of Great Pine Forest. To its south, Rubble Spring borders two different zones, those being The Quiet Field and Hoodlum Falls. To its east, it borders Petrified Grassland. To its north and west, it borders Topple Hill.
There are two manmade landmarks worth noting. The first manmade landmark is the cottage that Martin the Carp resides in. He is mostly known for selling fishing rods. The other manmade landmark is the bottomless hole that adventurers could jump into, taking them to a tall pillar of rock and dirt where Collectus stands at.
There are two notable geographic features of Rubble Spring. Hence its name, Rubble Spring is the first notable geographic feature of the zone - composing of a medium-sized body of water where fishermen can reel in various freshwater fishes that thrives in the waters of Rubble Spring. The other feature worth noting in the zone is the cascade (waterfall) of Topple Lake that flows into the spring's territories.
Harvestables that can be found in the area include Bobber Mushroom, Boomba Mushroom, Fantastic Mushroom, Flatty Mushroom, Nightmare Mushroom, Pearl Flower, Portabato Mushroom, Spurtle Mushroom, and the Traveler Plant.
Mobs that can be found in the area include Ancient Iron Knight, Bandit, Brown Bear, Croc Man, Deer, Dull Frog, Forest Guardian, Ghost, Green Ghost, Grey Rabbit, Jester, Little Ant, Purple Ogre, Ratdog, Red Croc Man, Tall Bear, Two-Eyed Monstrosity, and the Yellowman.
- It is worth noting that a player have a greater likelihood of reeling a Centennial Catfish from the spring.
- One of the first sightings of the Green Ghost was in Rubble Spring.
- Rubble Spring has an average reel waiting time of 13.5% (~4 with Captain's Fishing Rod), which is the lowest in the game.
- Rubble Riverstreams have an average reel waiting time of 14.5% (~4 with Captain's Fishing Rod), being one of the lowest in the game.