1. Underwood Inn

- Location: Underwood
Plan your trip
Check prices for these dates, December 14 – 15, 2026

Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Due to its continental climate, the best time to visit Mercer is typically during the late spring, summer, or early fall months, from May through September.
During these months, Mercer experiences its warmest temperatures and most pleasant weather, making it ideal for outdoor activities like exploring the nearby Lake Sakakawea State Park or fishing in the area's many lakes. Summer also brings longer daylight hours, allowing for extended sightseeing and recreation.
For those interested in hunting or fall foliage, September and early October can also be an excellent time to visit.
You can cancel your hotel reservation on Expedia, though it depends on the cancellation policy of your booking. Most bookings are refundable if canceled within 24-48 hours of the scheduled arrival. Be sure to check your booking confirmation for the exact cancellation policy. If free cancellation is available, you can cancel directly through your Expedia account by logging in, going to "My Trips", and selecting your reservation. To find flexible deals, filter your search by "Fully refundable property" for hotels in Mercer.
Prices for hotels in Mercer often vary, but you can find a great deal on Expedia. All sorts of factors affect price, such as the time of year or the days of the week you choose for your stay. Find the best deals by being flexible with your dates, and sort search results by "Price: low to high" for the cheapest rate.