Pokémon Gold and Silver/Dark Cave

'You can enter the cave from Violet City, Blackthorn City, Route 31, Route 45, and Route 46. You'll need Flash to light your way through the cave and Rock Smash and Surf to find all of the items inside. While there are a lot of fabulous items inside the cave, including TM 13, you don't have to enter.'

Catch some early Pokémon
The Dark Cave connects Route #31 with Routes #45 and #46, in Johto's East. But unless you know Flash, Rock Smash, and Surf, you can't use it to go anywhere. You can. however, sneak in very early on in the game and catch some rare Pokémon.

If you're playing Gold and Silver, you can hang around for a bit until you spot a. You'll have many opportunities to catch this Pokémon, but you may prefer to do it early since Ground/Rock-type Pokémon are particularly useful against the Flying-type Pokémon in the Violet City Gym. You can also snag a.

If you're playing Crystal, this cave is another opportunity to catch a Geodude and a Zubat, but that's hardly worth the trip. It's the level 2, which only appears in the morning, that is most exciting. Cowardly Teddiursa tend to run away immediately, so you may need Gastly to use Hypnosis or Mean Look to keep it from bolting. If you carefully raise Teddiursa from a cub, it will become a very powerful at later levels. On the 2nd floor of the cave (in Crystal), you can find the lucrative Teddiursa during morning and daylight, but be prepared to be frustrated if you encounter a level 30 Teddiursa being able to use rest. Shuckles can also be caught in these caves.

If you're extremely lucky, you may also run into a. This is the only place you can find this Pokémon, but the odds of catching one are extremely low when they're not "swarming". To find out when this happens, you'll need to give your phone number to the only trainer on Route #33.

Items

 * Potion
 * Dire Hit (Crystal only)
 * Full Heal
 * Hyper Potion
 * TM13 (Snore)
 * Blackglasses (from the guy in the top western corner of level 2)
 * Elixir (Hidden, Level 1)
 * Escape Rope

Pokémon Found

 * Pokemon 206Dunsparce.png
 * Numbers increase during swarms
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Rock Smash
If you smash a rock, you may encounter the following:
 * Krabby (90%)
 * Shuckle (10%)