Try again and make sure you bring the following:
* Watch
* Sextant
* Chart
* Spade
* Clue Scroll
These items to make your trip waaaay faster & safer:
* Rope
* About 100-500gp
* Any weapon
* Teleport runes to everywhere
* Amulet of glory(4)
* Some food
* Boots of lightness
* Antipoison
* On level 3 clues you will be attacked by a level 108 Saradomin wizard or a level 65 Zamorak wizard (in wilderness) as you dig, so be prepared to fight: bring an antipoison, use prayer, etc.; it is advisable to turn on magic protection!