Ocarina of Time Secret Grottos

Located throughout the world of Ocarina of Time there are Secret Grottos, which are underground caverns that may hold Rupees, Gold SKulltulas, Heart Pieces, Gossip Stones, and other goodies. Many of these grottos are open and are found by simply walking up to them, while others are hidden, requiring Link to use a Bomb, remove a boulder, or play the Song of Storms to reveal the entrance.

Below is a full listing of all 33 Grottos Link can find, along with their respective goodies.

Locations

• 

  Location: Hyrule Field, within the four fences right near the entrance to Lake Hylia. Use a bomb a in the center of this area to reveal the entrance.
  Contents: A Business Scrub can be found inside and he will sell Link a Piece of Heart for 10 Rupees. There is also a small pool of water, where Link can play the Song of Storms to summon a Fairy.

• 

  Location: Hyrule Field, at the far southwest corner, just outside of the fenced area that leads to Lake Hylia. This grotto is already there and Link can just fall inside.
  Contents: Treasure Chest containing 5 Rupees, a Gossip Stone, and a Fish in a pond.

• 

  Location: Hyrule Field, just southwest of the entrance to Kokiri Forest. Blow up the boulder is is found here to reveal the entrance.
  Contents: Treasure Chest containing 20 Rupees, a Gossip Stone, and a Fish in a pond.

• 

  Location: Hyrule Field, near a tree north of the river, between Castle Town and Kakariko Village. Use a bomb to reveal the entrance.
  Contents: There is a Big Skulltula, as well as a Gold SKulltula higher up on the wall.

• 

  Location: Hyrule Field, just Castle Town near the three trees. Blowup the boulder that is found here.
  Contents: Treasure Chest containing 5 Rupees, a Gossip Stone, and a Fish in a pond.

• 

  Location: Hyrule Field, at the northwest corner of the field, just north of the small river Break the boulder that is found here.
  Contents: Inside you will find a Fairy Fountain.

• 

  Location: Hyrule Field, northwest of Lon Lon Ranch, south of the small river. You will find a lone tree here and you can drop a bomb to reveal the grotto.
  Contents: Use the Iron Boots or the Golden Scale to reach the bottom of the pond and find a Heart Piece.

• 

  Location: Hyrule Field, near a circle of rocks by the entrance to Gerudo Valley. As a child, Link can blowup the boulder with a bomb. As an adult, it is a stronger boulder and Link will need to use the Megaton Hammer.
  Contents: Behind the spider webs there is a Gold SKulltula, a Cow, a Gossip Stone, and 5 Deku Nuts.

• 

  Location: Kokiri Forest, next to the Gossip Stone, right by the entrance to the Lost Woods. Play the Song of Storms to open the grotto.
  Contents: Treasure Chest containing 20 Rupees, a Gossip Stone, and a Fish in a pond.

• 

  Location: Lost Woods, beneath the boulder, located right by the entrance to Goron City.
  Contents: Treasure Chest containing 5 Rupees, a Gossip Stone, and a Fish in a pond.

• 

  Location: Lost Woods, hidden in the grassy area of the meadow. When entering the Lost Woods from Kokiri Forest, head right, left, right, left, and left again. The grotto is found in the back area. Contents: The location of the Forest Stage, a hidden grotto where Link can wear various Masks to get a Deku Stick upgrade, a Deku Nut upgrade, Rupees, and other reactions from the Deku Scrubs.

• 

  Location: Lost Woods, beneath the boulder, located right by the entrance to the Sacred Forest Meadow.
  Contents: There are two Business Scrubs found here, one will sell Link a Deku Nut Upgrade for 40 rupees. The other will sell Deku Seeds for 40 rupees when Link is a child, but will sell Arrows for 70 rupees when Link is an adult.

• 

  Location: Sacred Forest Meadow, right at the entrance, where Link initially fights a Wolfos. Drop a bomb in the center of this region to find the grotto.
  Contents: Inside Link fight two Wolfos, and once they are defeated while get a treasure chest containing 50 Rupees.

• 

  Location: Sacred Forest Meadow, right in the center of the region. Most easily reached when traveling into the main part of the Sacred Forest Meadow from the Forest Temple. Climb the ladder and drop down the square opening below to find the grotto.
  Contents: Inside you will find a Fairy Fountain.

• 

  Location: Sacred Forest Meadow, in the area just outside of the Forest Temple. At the southeast corner of the region, play the Song of Storms to reveal the grotto.
  Contents: There are two Business Scrubs here, one sells Green Potion for 40 Rupees, while the other sells Red Potion for 40 rupees.