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Diamond Lake (Kandiyohi County Park)

Overview

Diamond Lake County Park, often referred to locally as County Park #4, offers a quintessential Minnesota lakeside experience. Sprawled across the western shore of its namesake lake, this destination provides a peaceful retreat for RVers seeking both natural beauty and community spirit. The park is managed with a focus on preserving the scenic outdoor atmosphere, making it a staple for those who enjoy the classic rhythms of a Midwestern summer by the water.

Location & Surroundings

Situated in the heart of Kandiyohi County, the park is just a short drive from the cities of Willmar and Atwater. The landscape is defined by the expansive Diamond Lake shoreline, which stretches out to offer stunning sunrise views and refreshing breezes. Surrounded by a mix of mature hardwood trees and lush green spaces, the park feels secluded from the noise of the highway while remaining easily accessible for large rigs navigating the regional roads.

Amenities & Park Features

The facility is well-equipped to handle modern RV needs, offering a variety of sites that include water and electrical hookups. Guests have access to essential comforts, including a modern bathhouse with clean showers and a conveniently located dump station. Recreational amenities are a major highlight, featuring a sandy swimming beach, a large playground for children, and well-maintained picnic shelters that are perfect for hosting family gatherings or enjoying a quiet afternoon in the shade.

Nearby Attractions & Things to Do

Water recreation is the primary draw here, with a dedicated boat launch and fishing pier providing easy access for those looking to catch walleye, northern pike, or crappie. For land-based exploration, the surrounding area features several golf courses and the nearby Glacial Lakes State Trail for biking. Nature lovers often take the short drive to Sibley State Park to experience more rugged hiking terrain and panoramic views of the glacial landscape that defines this beautiful region of Minnesota.

Who This Park Is Best For

This park is an ideal match for families and fishing enthusiasts who value a traditional, community-focused camping environment. It is particularly well-suited for those who prefer a relaxed pace where the primary activities revolve around the lake. Whether you are a local looking for a scenic weekend getaway or a cross-country traveler seeking a reliable and picturesque stopover in Central Minnesota, Diamond Lake provides a welcoming and comfortable home base.

Amenities

- Recreational Facilities

• Lake
• Swimming
• Fishing
• Ramp
• Boat Rental
• Body Of Water (Diamond Lake)
• Horseshoes
• Game Room
• Playground
• Kayaking/Canoeing

- Policies

• Pets Welcome
• Tent Camping Allowed

- Other Amenities & Services

• Restroom and Showers

- Recreation Nearby (within 10 miles)

• Fishing
• Hiking
• Kayaking/Canoeing
• Boating

- Facility

• Type (Public Park)
• Partial Handicap Access

- On-Site Rentals

• 

- Sites

• Spaces Available (80)
• Max Length (40)
• Paved Sites (50)
• 20 Amp
• 30 Amp
• Dirt Sites (30)
• Full Hookups (80)
• Max Amps (30)
• Back-ins (20 x 40)

User Reviews

Keanu Rasmussen

August 08, 2025

Kids had a fun time, good spot. Two things though is my kids and girlfriend all got cut up by sharp rocks in the water by the beach, and there was a hell of a lot of seaweed. Not enough to not come back though 👍

Michael Weber

July 28, 2024

Took the kids out in the boat off the park access for the first time for them 2 this week, they loved it

michael jansen

August 07, 2023

Very nice campground and beach. 3 piers for fishing, and the boat ramp is right next door also. The store is very nice and the operations director was very friendly.

Banana Rama

October 14, 2022

Absolutely gorgeous lake beautiful beach and lots of activities and places to explore

Melissa McMorris

June 19, 2022

I absolutely love it! It's a nice clean park with lots of activities. Fishing, swimming, baseball fields, playgrounds, and It's inexpensive and nights really look like this on a clear night!! The store is open until 8 p.m. as well. 2 Thumbs up!!!

Map for Diamond Lake (Kandiyohi County Park)

Contact information