Mary Rand will be awarded the freedom of Wells today.
In the 1964 Olympic Games she became the first British female athlete to win gold in track and field events.
Ms Rand grew up in Wells, but now lives in America.
The Freedom of the city ceremony takes place in the town hall at 2pm and is followed by a procession to St Cuthbert's Church.
More top news
Campaigners in Bristol are fighting to change the name of the city's Colston Hall. It's named after Edward Colston - who was a slave trader.
Parents in Bristol say plans to flatten a sports ground would leave local children without a place to play.
A teenager has been injured on his way home from school after a tree fell on to him in Bristol.