TheRiverbank Cave (Japanese:河岸の空洞Riverbank Hollow) is a type of hideaway seen in theGrand Underground. It can only be accessed after theplayer obtains theExplorer Kit inEterna City from theUnderground Man, and features Pokémon thatroam the cave freely, instead of being found intall grass.
Geography
Riverbank Caves are grassy caverns with several ponds around their edges, which can beSurfed on to encounter Pokémon visible in the water. Some rocks and trees are taller than theplayer, and must be navigated around.
Items
| Item | Location | Games |
|---|
 | Big Mushroom | Riverbank Cave hideaway within the east and west zone | BD SP |
|
Pokémon
With each additional badge earned by the player, the levels of wild Pokémon are increased.
| Progression | Level Ranges |
|---|
| 1 Badge | 16-20 |
| 2 Badges | 25-29 |
| 3 Badges | 29-33 |
| 4 Badges | 33-37 |
| 5 Badges | 36-40 |
| 6 Badges | 39-43 |
| 7 Badges | 42-46 |
| 8 Badges | 50-55 |
| Elite Four defeated | 58-63 |
After the player fulfills a particular objective during their adventure, another group of Pokémon are added to the pool of possible encounters. The spawn rates for certaintypes are influenced by the active "Statue Effect" applied by a player'sSecret BaseStatues.
Rare Spawns
Rare Spawns run concurrently to the existing encounter table, and use independent percentages for their rates.
| Pokémon | Games | Location | Levels | Rate |
|---|
 |  |  |
|---|
| BD | SP | | 16-63 | 70% |
| BD | SP | | 16-63 | 30% |
| BD | SP | | 16-63 | 30% |
| A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here. |
In other languages
