Walla-Walla, Oregon is a small city located in the southeastern part of the state. It experiences a semi-arid climate with hot, dry summers and cool winters. Average temperatures range from the mid-80s Fahrenheit (29°C) in summer to the mid-40s (7°C) in winter, often accompanied by occasional snowfall.

Hydrologically, Walla-Walla is situated near the confluence of the Walla-Walla and Columbia rivers. The region's primary water source is the Walla-Walla River, which flows through the city and provides irrigation for local agricultural activities. The city's location near these waterways also contributes to its scenic beauty and offers opportunities for water-based recreation such as fishing, boating, and swimming.

Outdoor enthusiasts can enjoy numerous recreational activities in and around Walla-Walla. The area is known for its beautiful landscapes, including rolling hills, vineyards, and orchards. Hiking and biking trails abound, providing stunning views of the surrounding countryside. Additionally, nearby Blue Mountains offer opportunities for camping, hunting, and wildlife viewing. With its diverse outdoor offerings and unique climate, Walla-Walla provides a welcoming environment for nature lovers and adventure seekers.