The volunteers and staff move the eggs from the original turtle nest to a secure site and monitor them throughout the night.
Asian exploitation of turtle nests has been cited as the most significant factor for the species' global population decline.
They have also set traps inland and dig up turtle nests.
Tours generally end with visiting the turtle nests located on the beach.
The number of turtle nests increased from 60,000 in 1988 to nearly 700,000 in 1995 and the number continues to rise.
During September and October many local "guides" will offer tourists the opportunity to "help" turtle nests hatch.
On Ascension, annual nesting occurs in the volume of around 6,000 to 13,000 individual turtle nests.
The island also has a turtle nest monitoring programme in place.
Loggerhead turtles are the most common sea turtle species and account for nearly all of the turtle nests in the park.
The turtle nests more than once during a single season.