Old Harry's Rocks are around 65 million years old!!
THIS IS SO ANNOYING, I HAVE TO KEEP CHANGING THIS ANSWER! THEY are named after and Old Pirate Named Harry...
Around 80 million years old (in 2011)
The real reason on why OHR (Old Harry Rocks) are called so, is because they were named after a famous pirate, known as "Old Harry".
· Old Harry was the first one to climb the rock so they called it Old Harry · The devil was known as Old Harry and he slept on the rock· The rock was named after Harry Paye, an infamous Poole...