The cache is located at the start of the footpath to London Road we often used to use this shortcut to get to the sports ground.
An interesting point to note is the old style black and white signpost pointing to Mablethorpe and Alford across the road.
You are looking for a camouflaged lock n lock container big enough to take a few swaps or Travel Bugs. I've put a few swaps in to get you started. A degree of stealth may be required as this is a well used area.