Colmenar Viejo is located in the northern part of the Province of Madrid, nestled between the capital city of Madrid and the majestic Sierra de Guadarrama mountain range. Its geographical position provides easy access to both urban conveniences and natural wonders. The Sierra de Guadarrama, a short drive away, offers numerous hiking trails, picnic spots, and panoramic views that appeal to nature lovers and adventure seekers alike.
The climate in Colmenar Viejo is typically Mediterranean with a continental influence. Summers are hot and dry, while winters tend to be cool, particularly due to the nearby mountain range. The best time to visit the city is during spring (April to June) and autumn (September to October), when temperatures are mild, and outdoor activities such as hiking or sightseeing are particularly enjoyable. The region receives moderate rainfall, making it lush and vibrant for much of the year.