Whether you’re exploring the local area or hanging out at the campground, KOA Holidays are an ideal place to relax and play. There’s plenty to do, with amenities and services to make your stay memorable. Plus, you’ll enjoy the outdoor experience with upgraded RV Sites with KOA Patio® and Deluxe Cabins with full baths for camping in comfort. Bring your family, bring your friends, or bring the whole group – there’s plenty of ways to stay and explore.
Whether you’re exploring the local area or hanging out at the campground, KOA Holidays are an ideal place to relax and play. There’s plenty to do, with amenities and services to make your stay memorable. Plus, you’ll enjoy the outdoor experience with upgraded RV Sites with KOA Patio® and Deluxe Cabins with full baths for camping in comfort. Bring your family, bring your friends, or bring the whole group – there’s plenty of ways to stay and explore.
(FYI: YOU CANNOT USE Exit 15 on I-80 to drive directly to the campground - the bridge is under construction.)
Recommended directions for all vehicles:
From I-80: Take I-79 South 3 miles to Exit 113.
From I-79: Take Exit 113 onto Rt 208, go west about 0.3 mile, turn right at light onto Rt 258 north, 3 miles to KOA.
GPS: N41.178629. W80.185844
Click on the following for detailed maps and instructions:
Unwind and Play Right Here at Mercer / Grove City KOA Holiday
Experience endless entertainment without ever leaving the campground! Our family-friendly recreation options are designed to keep everyone active, relaxed, and making memories together. From refreshing swims and outdoor games to pet playtime, peaceful nature walks, cozy campfires, and special seasonal events, there's plenty of fun waiting right on-site for guests of all ages.
Gear up for even more adventure with our game equipment sign-out available right at the Kampstore! Borrow what you need for free-spirited fun on the courts, pits, or open spaces—perfect for turning any moment into family-friendly excitement during your stay. Stop by the Kampstore and let's get the games started!
Right in the heart of the park near the Kampstore, our playground is a magical playground of swings, slides, and adventures where kids (and kids-at-heart) can run, climb, and create endless giggles and cherished memories!
Get ready for weekend magic on summer Saturdays (May 23 - September 6)! Start your day with fresh, delicious Amish baked goods at 9am in the Event Hall, then dive into afternoon games, crafts in the Game and Craft Room, and top it off with charming wagon rides—it's our special way to bring local warmth and excitement to your Mercer PA campground getaway!
Strike it rich (and have a blast!) at our on-site Gem Mine—grab a bucket from the Kampstore and hunt for gems, fossils, shark teeth, crystals, and more. It's a thrilling, hands-on adventure the whole family will treasure!
Cast away your cares at our peaceful catch-and-release fishing lake just across from the park—it's the perfect "reel" escape for quiet bonding time, teaching little ones to fish, or simply soaking up the serene beauty of nature during your western Pennsylvania camping trip
Gather 'round and toss for that satisfying clang at our horseshoe pits—a timeless, easygoing game that's guaranteed to spark friendly rivalry, big laughs, and unforgettable moments with family and friends!
Young explorers go wild in our super-popular sand pile—dig deep, build epic castles, and let imaginations run free (with a handy water spigot nearby for those happy, sandy clean-ups)!
Grab a paddle and challenge your crew on our outdoor ping pong table—it's quick to learn, endlessly addictive, and the perfect way to bring everyone together for lighthearted competition and tons of smiles!
Lace up and shoot some hoops on our outdoor basketball court— it's energetic fun that gets the whole family moving and cheering at Mercer / Grove City KOA Holiday!
Step away from it all and stroll our scenic nature trail—a gentle, refreshing walk that lets you breathe in fresh air, spot wildlife, and melt away stress while enjoying the peaceful beauty right here at the campground.
Roll into relaxed fun with bocce—ideal for all ages, it delivers gentle strategy, good-natured competition, and plenty of sunny Pennsylvania smiles!
Spike, serve, and celebrate on our sandy outdoor volleyball court—whether you've got a full team or just a few friends, this beachy, high-energy game is all about laughter, teamwork, and pure campground joy!
Jump into the excitement of our gaga ball pit—this fast-paced, dodgeball-style favorite has everyone dodging, tagging, and cheering as they try to be the last one standing (hit below the knee and you're out—game on!)!
Splash into pure joy at our heated swimming pool—the ultimate spot for refreshing family fun and cooling off during those warm western Pennsylvania days! Open from Memorial Day Weekend through Labor Day (weather permitting), it's a beloved highlight of every stay at Mercer / Grove City KOA Holiday.
That doesn't mean this area has to always be empty. When you start reviewing camping options, your history will display here to help compare sites and find the best stay. You will be able to share your stay information with friends or family and save it for a later time if you have a KOA Account.
Make checkout easy by booking all your reservations at once. Add your sites from different campgrounds into your shopping cart* and then choose checkout.
