Leprechaun-spotters can traditionally claim a crock of gold when they capture one of the elusive elves, but the thousands of people keeping a keen eye on a Tipperary fairy fort from next Thursday will find it difficult to claim their prize.
When they log on to the irelandseye.com Website, they will have a bird's eye view of the site near Thurles during a three-day live video connection from on top of an oak tree.
The precise location is being kept a secret, not to protect the increasing rare fairy folk or any buried gold but treasure of another sort: the video camera and satellite phone connection being used to provide the live link.
Mr John Murphy, the managing director of Appletree Press, the Belfast publisher which owns the Website, expects between one million and two million hits on the site between March 16th and March 19th.
Visitors to the site will see an elaborate map, telling them that the fairy fort is in the Glen of Cloongallon, in the townland of Ballyseanrath (meaning "town of the old fort"): all, in fact, a ruse.
Mr Murphy will give no clues to the actual location, except to say that his grandfather came from the village of Horse & Jockey, south of Thurles.
But blarney aside, the site includes an authentic fairy fort, comprising a circular earth bank which encloses a Neolithic dolmen and which has a reputation for being a location for supernatural activity.
"There is a farm which has had some difficulties with cattle being chased around a field," he said.
The ancient tree is itself believed to be protected by a skeaghshee, or tree spirit, Mr Murphy said, pointing out that the fate of the former de Lorean factory in Belfast was sealed when such a tree was chopped down.
"Our theory is that if you have an enchanted glen, a fairy ring, sacred stones and a magical tree, if you do not find a leprechaun there, where will you ever find one?"
The Website has already run a successful ghost watch for the past 18 months, with a live camera installed in a former linen mill in Belfast.
"We have had hundreds and hundreds of thousands of visitors. If you go into the ghost watch you will see accounts of the sightings."
For some observers, the ending of the leprechaun watch at 7 p.m. on March 19th is at least five hours premature.
Those who know about these things say that the vernal equinox, on March 20th, is one of the dates during the year when creatures of the underworld roam the Earth.
But perhaps it's just as well the camera will not be rolling. "You tamper with these things at your peril," Mr Murphy said.