Castle Mtn Drug, in White Sulphur Springs, MT is located at the foot of the Castle Mountains in the Smith River Valley. Whether you live in the area or are just visiting, Castle Mtn Drug, conveniently located at 25 East Main, is the headquarters for all your prescription needs.


Castle Mtn Drug offers complete prescription services, pharmaceutical consultation, diabetic, asthmatic, and first aid supplies and a complete line of SunMark over-the-counter products. Vacationing and forgot your prescriptions at home? NO need to panic. Our friendly staff can transfer most medications from anywhere in the United States.

We invite you to browse through our extraordinary gift department where you will find a fine selection of Montana souvenirs, huckleberry products, candles, votives, crockery, beautiful wreaths and other exquisite items for your home, plush animals and toys for kids of all ages, and seasonal items. We also carry Cards and Such cards for all occasions. Join our card club, buy 10 cards and receive the 11th free.

Stop in, Shop at, and visit the friendly staff at Castle Mtn Drug today.