Pokémon Gold and Silver/Union Cave

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When you first visit Union Cave, you probably won't be able to use Surf and Strength, which you need to use to get around the entire cave. You will be able to explore the first floor and the middle portion of the first basement. Talk to everyone you see. Some people have very interesting information.

Level 1

File:Pokemon-GSC-Johto-UnionCave1.png

Union Cave level 1

Take a short detour for TM 39

This cave is pretty simple: just head south, fighting the trainers when you must and picking up items where you can. But if you have the fortitude to handle a short detour, take the stairs on the high ledge to the left. You won't get far in the basement, but you can easily get to TM 39. It contains Swift, a strong Normal attack that always hits and can be learned by most Pokémon.

Trainers
	Hiker Daniel: File:Pokébuck.png352 Onix (lvl. 11, 252 EXP)		Pokémaniac Larry: File:Pokébuck.png600 Slowpoke (lvl. 10, 211 EXP)
	Hiker Russel: File:Pokébuck.png256 Geodude (lvl. 4, 73 EXP) Geodude (lvl. 6, 109 EXP) Geodude (lvl. 8, 147 EXP)		Firebreather Ray: File:Pokébuck.png432 Vulpix (lvl. 9, 121 EXP)
	Firebreather Bill: File:Pokébuck.png228 Koffing (lvl. 6, 145 EXP) Koffing (lvl. 6, 145 EXP)	Items
		X Attack Great Ball Potion Awakening

Level 2

File:Pokemon-GSC-Johto-UnionCave2.png

Union Cave level 2

Trainers
	Hiker Leonard: File:Pokébuck.png800 Geodude (lvl. 23, 422 EXP) Machop (lvl. 25, 470 EXP)		Cooltrainer Nick: File:Pokébuck.png1248 Charmander (lvl. 26, 354 EXP) Squirtle (lvl. 26, 366 EXP) Bulbasaur (lvl. 26, 354 EXP)
	Hiker Phillip: File:Pokébuck.png736 Geodude (lvl. 23, 422 EXP) Geodude (lvl. 23, 422 EXP) Graveler (lvl. 23, 660 EXP)		Cooltrainer Gwen: File:Pokébuck.png1056 Eevee (lvl. 26, 510 EXP) Flareon (lvl. 22, 932 EXP) Vaporeon (lvl. 22, 924 EXP) Jolteon (lvl. 22 924)
	Pokémaniac Andrew: File:Pokébuck.png1440 Marowak (lvl. 24, 636 EXP) Marowak (lvl. 24, 636 EXP)		Cooltrainer Emma: File:Pokébuck.png1344 Poliwhirl (lvl. 28, 780 EXP)
	Pokémaniac Calvin: File:Pokébuck.png1560 Kangaskhan (lvl. 26, 968 EXP)	Items
		X Defend TM39 (Swift) Elixer Hyper Potion

Pokémon Found

Union Cave encounters

	Gold			Silver			Crystal
	Morn	Day	Night	Morn	Day	Night	Morn	Day	Night
Sandshrew	20%	20%	20%	N/A	N/A	N/A	10%	20%	N/A
Rattata	25%	25%	25%	30%	30%	30%	20%	20%	50%
Geodude	20%	20%	20%	35%	35%	35%	30%	30%	15%
Onix	10%	10%	10%	10%	10%	10%	10%	10%	10%
Zubat	25%	25%	25%	25%	25%	25%	30%	20%	15%
Wooper	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	10%

Union Cave Fishing

	Old Rod	Gold Rod	Super Rod
Magikarp	80%	20%	20%
Goldeen	20%	80%	75%
Seaking	N/A	N/A	5%

Union Cave Surfing

	GOLD	SILV	CRYS
Tentacool	40%	40%	N/A
Tentacruel	20%	20%	N/A
Wooper	N/A	N/A	20%
Quagsire	40%	40%	80%

#27 Sandshrew

#118 Goldeen

Only Gold and Crystal players can catch a Sandshrew here, but Silver players needn't dispair: They can buy one at the Goldenrod Dame Corner. Sandshrew is a bit better in Gold/Silver/Crystal than it was in Red/Blue/Yellow, since it learns most of its attacks earlier and has a few new ones. But it still doesn't learn any Ground attacks, which is annoying since it's a purely Ground-type Pokémon, and suffers many weaknesses to popular types because of it. But if you haven't had a chance to catch a Phanpy, this is a decent second choice.

Goldeen's a bit more interesting than it was in Red/Blu/Yellow. It now learns Horn Drill, an attack that K.O.'s any Pokémon instantly 30% of the time, at level 15 (it used to be level 45). This move, combined with a couple of X Accuracy items, could wipe out a legion of opponents if you get lucky. Teach it Surf and Waterfall early (with HM's), and Goldeen's not half bad.