There are many hidden streets in the mapling world. I will tell all of you some examples.

1) The PIG BEACH

One of the more popular hiddenstreets.(Good for lvl 24+s)
MONSTERS - Blue Snail, Red Snail, Pig, Ribbon Pig, Iron Hog(rarely)

2 ) The Burnt Land 1/2/3/4/5

Located at Perion.

MONSTERS - Dark Axe Stump, Fire Boar ,lupin,

3) Beach Hunting Ground
Popular for lower-level players.

MONSTERS - Snail, Blue Snail, Shroom, Red Snail, Slime, Orange Mushroom, Ribbon Pig

4) Blue Mushroom Forest
Famous for the blue mushrooms inside.

MONSTERS - Blue Snail, Red Snail, Slime, Blue Mushroom

5) Damp Forest
If you want loads of octopus, here's the place.

MONSTERS - Slime, Octopus, Jr. Necki

That's all for now. Thank you!
- KAI