Crandor is a volcanic island located northeast of Karamja in Old School RuneScape (OSRS). It plays a pivotal role in the "Dragon Slayer I" quest, where players confront the formidable dragon, Elvarg. Beyond the quest, Crandor offers valuable mining opportunities and a variety of monsters, making it a notable destination for adventurers.
To first access Crandor, players must embark on the Dragon Slayer I quest. This involves:

Upon arrival, the ship crashes, rendering it unusable for return trips. This initial journey is essential to unlock future access routes to the island.
While completing "Dragon Slayer I," players can revisit Crandor through an underground passage:
Travel to Karamja: Sail to Musa Point and proceed west to the Karamja Volcano.

Enter the Volcano: Climb down into the volcano to access the dungeon.

Navigate the Dungeon: Head north through the dungeon, passing various monsters.

Find the Secret Door: Locate and pass through the hidden wall, previously unlocked during the quest.

Ascend to Crandor: Climb the rope at the end of the passage to emerge on Crandor's surface.
This route remains accessible indefinitely, provided the secret door was unlocked during the quest.
Crandor boasts several mining spots:
These areas are guarded by various monsters, so caution is advised.
Adventurers can encounter a range of monsters on Crandor:
These creatures provide combat training opportunities and valuable drops.
 Preparation: Equip appropriate gear to handle the island's aggressive monsters.
 Preparation: Equip appropriate gear to handle the island's aggressive monsters. 
  Supplies: Bring sufficient food and potions, as there are no banks on Crandor.
 Supplies: Bring sufficient food and potions, as there are no banks on Crandor.
By following this guide, players can successfully navigate to Crandor and explore its offerings in OSRS.