Everyone who has ever heard of Colorado knows that the Centennial State is full of glorious mountains and gorgeous cities but did you know that half of our state is made up of rolling plains? Explore this often overlooked and forgotten landscape when you visit this underrated state park:

Welcome to John Martin Reservoir State Park!

Google/Mick Shea

Located in the southeast town of Hasty, John Martin Reservoir State Park is a small and surprising area often called the “sapphire on the plains,” and for a great reason.

John Martin Reservoir State Park Facebook

As the name suggests, John Martin is home to an expansive reservoir perfect for fishing, boating, playing (via the sandy beach), sunning, and more.

TripAdvisor/Marsha A

Since it is located along the Eastern Plains, John Martin State Park is also an excellent place to explore and learn more about this colorful area, which guests can do via wildlife and bird watching, hiking, and various educational activities.

Google/Thomas Lamb

Need we mention that the Eastern Plains have the most breathtaking sunsets?

John Martin Reservoir State Park Facebook

Do you need another reason to visit and love John Martin Reservoir State Park? They also offer ample year-round camping a la rustic tent and RV sites.

Google/Mark Franco

To learn more about the exciting and underrated John Martin Reservoir State Park - including fees, upcoming events, and more - please visit the Colorado Parks and Wildlife’s website.

Google/Karla Linenberger

Do you have a favorite attraction, event, or restaurant that you would like to see featured here on Only in Colorado? Remember to tell us about it on our nominations page! If you love our state parks and wish to discover even more hidden gems, you will want to click on This State Park In Colorado Is So Little Known, You’ll Practically Have It All To Yourself.

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Address: John Martin Reservoir, Colorado, USA

Welcome to John Martin Reservoir State Park!

Google/Mick Shea

Located in the southeast town of Hasty, John Martin Reservoir State Park is a small and surprising area often called the “sapphire on the plains,” and for a great reason.

John Martin Reservoir State Park Facebook

As the name suggests, John Martin is home to an expansive reservoir perfect for fishing, boating, playing (via the sandy beach), sunning, and more.

TripAdvisor/Marsha A

Since it is located along the Eastern Plains, John Martin State Park is also an excellent place to explore and learn more about this colorful area, which guests can do via wildlife and bird watching, hiking, and various educational activities.

Google/Thomas Lamb

Need we mention that the Eastern Plains have the most breathtaking sunsets?

John Martin Reservoir State Park Facebook

Do you need another reason to visit and love John Martin Reservoir State Park? They also offer ample year-round camping a la rustic tent and RV sites.

Google/Mark Franco

To learn more about the exciting and underrated John Martin Reservoir State Park - including fees, upcoming events, and more - please visit the Colorado Parks and Wildlife’s website.

Google/Karla Linenberger

Do you have a favorite attraction, event, or restaurant that you would like to see featured here on Only in Colorado? Remember to tell us about it on our nominations page! If you love our state parks and wish to discover even more hidden gems, you will want to click on This State Park In Colorado Is So Little Known, You’ll Practically Have It All To Yourself.

Google/Mick Shea

John Martin Reservoir State Park Facebook

TripAdvisor/Marsha A

Google/Thomas Lamb

Google/Mark Franco

Google/Karla Linenberger