Maniac Tunnel

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Maniac Tunnel
Ruin Maniac Cave
Maniac Tunnel
"Wild Missingno. appeared!"
Maniac Tunnel 26-28 Pt.png
Map description: {{{mapdesc}}}
Location: Between Route 214 and Solaceon Ruins
Region: Sinnoh
Generations: IV
Sinnoh Maniac Tunnel Map.png
Location of Maniac Tunnel in Sinnoh.
Pokémon world locations

Maniac Tunnel (Japanese: マニアトンネル Maniac Tunnel) is a tunnel that leads between Route 214 and the Solaceon Ruins. Before the digging is complete, it is known as Ruin Maniac Cave (Japanese: いせきマニアのあな Ruin Maniac Hole).

The Ruin Maniac (who uses the sprite of a Collector, in spite of his name), when the player first encounters him, will propose a race: he will dig straight through the mountain as the player captures the different Unown. This race, of course, ends in a tie; after the player has captured the 26 Unown that are in the form of letters, the tunnel itself will extend straight through to the previously-inaccessible upper chamber of the ruins, where only the ? and ! forms of Unown are available.

As the player progressively catches the various forms of Unown, the cave will lengthen, and the encounter rates of the Pokémon in the cave will change (specifically, Hippopotas will be more common). Also, when player has 10-25 Unown caught, Ruin Maniac claims he is now known as Digging Maniac (Japanese: あなほりマニア Hole Digging Maniac).


Item Location Games
TM Ground TM28 (Dig) Behind rocks next to the entrance  D  P  Pt 


  Pokémon     Games     Location     Levels     Rate  
Fewer than 10 Unown
074 Geodude
D P Pt
Cave Cave
21-23 95%
449 Hippopotas
D P Pt
Cave Cave
22-23 5%
10-25 Unown
074 Geodude
D P Pt
Cave Cave
23 90%
449 Hippopotas
D P Pt
Cave Cave
22-24 10%
26 or more Unown
074 Geodude
D P Pt
Cave Cave
23-25 80%
449 Hippopotas
D P Pt
Cave Cave
22-25 20%
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.


Version 0-9 Unown 10-25 Unown 26-28 Unown
Diamond Maniac Tunnel 0-9 DP.png Maniac Tunnel 10-25 DP.png Maniac Tunnel 26-28 DP.png
Platinum Maniac Tunnel 0-9 Pt.png Maniac Tunnel 10-25 Pt.png Maniac Tunnel 26-28 Pt.png

In the manga

Maniac Tunnel in Pokémon Adventures

In the Pokémon Adventures manga

The Maniac Tunnel appeared in Halting Honchkrow, in which Pearl hid in the cave while thinking of a way to get past some Galactic Grunts blocking the gate into Veilstone City. To his surprise, he then encountered two Unown, Grumpy and Flaky, who he and his friends had met earlier at the Solaceon Ruins. Upon inspecting the cave more closely, he discovered that it and the ruins were connected. He also came to realize that the cave had been formed when Team Galactic used the Galactic Bomb at Lake Valor a couple days earlier. With the help of other Unown from the ruins, Grumpy and Flaky defeated the Grunts blocking the gate, allowing Pearl to enter Veilstone City and the Team Galactic HQ.


  • The concept of Ruin Maniac Cave/Maniac Tunnel is similar to that of Three Isle Path's concept: a person is trying to dig through a cave, and the player must finish certain conditions for the person to dig further.
  • This is the only location in the Sinnoh region that wild Hippopotas can be found.

In other languages

Ruin Maniac Cave

Language Title
France Flag.png French Grotte Ruineman.
Germany Flag.png German Maniac-Höhle
Italy Flag.png Italian Grotta Rovine
South Korea Flag.png Korean 유적마니아굴 Ruin Maniac Cave
Spain Flag.png Spanish Mina Ruinamaníaco

Maniac Tunnel

Language Title
France Flag.png French Tunnel Ruineman.
Germany Flag.png German Maniac-Tunnel
Italy Flag.png Italian Tunnel Rovine
South Korea Flag.png Korean 마니아터널 Maniac Tunnel
Spain Flag.png Spanish Túnel Maníaco

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