PARK COUNTY, Colo. -

A Colorado woman missing for four days was found alive Sunday, trapped inside her mangled car.

[PHOTOS:  Woman found alive after being trapped in car for 4 days]

Deputies in Park County said the woman was severely dehydrated and had multiple injuries. She was taken to a hospital in critical condition.

Deputies said a group of hikers found the wrecked car 140 feet down the side of a scenic highway.

Rescuers said the woman wrote messages on an umbrella and stuck it outside of the crashed car, hoping someone would notice it.