Gusty Gulch is a small wasteland where peasant Boos and "hyper" versions of other creatures live in Paper Mario. It is attacked by Tubba Blubba until Mario and Lady Bow defeat him.
At entrance of the Gulch lies a village where the Boo's live, at the base of the gulch is the Windy Mill, while at the cliff on the east side of the gulch lies the immense castle owned by Tubba Blubba.
In the game, when Mario talks to a few Boos, Tubba Blubba comes along and eats one named Stanley. Unfortunately, he was just the latest in a long line of tasty ghost treats. The gulch is similar to Twilight Trail in Paper Mario: The Thousand-Year Door, and Tubba Blubba greatly resembles Macho Grubba from the Glitz Pit.
It is revealed that the Boos actually live in the abandoned village, and that they did not build the town.
 Enemies Found
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 Area Tattles
- "There's a windmill. Those vanes are turning really slowly. The sound of it turning is sort of lonely."
- "Somebody told me that if a house is dilapidated, it means it's crumbly and deserted. That sounds like this place. Goompa said Boos love this sort of place."
- "The way that house leans is bizarre, isn't it? Why do Boos like homes like these?"
- "It's Gusty Gulch. Watch your step on the rocky slopes. You also have to beware of strange creatures. My dad would say that going through here builds character..."
- "It's Gusty Gulch. It looks like there's a gap over there that won't be easy to cross. You'll need some help. Let's be quick but careful. I don't like the looks of the creatures around here."
- "We've reached the top of Gusty Gulch. That building is Tubba Blubba's Castle, isn't it? The land here is totally barren. Was it always like this?"
 Names in Other Languages
|Whistling Wind Hill
- It is quite possible that Gusty Gulch is based on the real-life location of La Mancha, Spain. This area of Spain is a windy, arid plain, and is littered with windmills - a description that fits Gusty Gulch quite well. Also, the background music of Gusty Gulch seems to incorporate a Spanish-inspired flavor.