We're being urged to stay away from the path outside El Tico in St Ouen's Bay because of a deep sinkhole.
It opened up overnight on Saturday.
The area has been cordoned off with barriers while repairs are made.
Police say it presents a hazard and is dangerous.
St Peter Honorary Police are also asking people to avoid the nearby beach steps.
Prolonged rainfall has also caused a landslide near Gouray Church.
Meanwhile, Old Beaumont Hill in St Peter will be closed until Thursday after because of an unstable roadside bank.