Dragon's Den — Pokémon Gold & Silver
Every wild Pokémon here, by encounter method.
Dragon's Den lists 3 Pokémon across 4 encounter methods (surf, old rod, good rod, super rod), between level 10 and 40.
Dragon's Den in other guides
The same area in other ROM hacks on this site. Each one has its own encounter table.
Infinite FusionPokémon GS ChroniclesPokémon Heart & SoulPokémon SoothingSilverSacred Gold & Storm Silver
The original game's table for this area: