Welcome to Mercer / Grove City KOA Holiday – Your Premier RV Park and Campground in Western Pennsylvania!

Discover the perfect getaway at Mercer / Grove City KOA Holiday, a top-rated RV park and campground open from April 1 to October 31. Nestled in the scenic western Pennsylvania countryside just one hour north of Pittsburgh, our campground offers a peaceful retreat for families, adventurers, and RV enthusiasts alike. Whether you're seeking a short weekend escape or planning an extended stay, our convenient location near I-79 (Exit 113) and I-80 makes us an ideal base for exploring the region's attractions.

As a full-service RV campground, we provide a variety of ways to stay tailored to every type of camper.
Our spacious RV sites include pull-through and back-in options with 50/30 amp full hookups, water/electric setups, and deluxe patio sites featuring comfortable seating, fire rings, and swings—perfect for big rigs up to 120 feet. For those without an RV, choose from cozy tent sites (primitive, water/electric, or unique hammock camping with Kammok Weavers™), rustic camping cabins, or deluxe log cabins with full baths, kitchens, and air conditioning. We also offer an on-site RV rental for hassle-free stays. Extended stays are welcome with flexible monthly rates for snowbirds or long-term visitors, and we accommodate group opportunities with buddy sites (awning-to-awning setups) and multiple adjacent spots for reunions, clubs, or events—book early to secure your group reservation!

Standout Amenities and Unique Features:
What sets our RV park apart? Enjoy a host of family-friendly amenities designed for relaxation and fun:

  • Heated Swimming Pool: Open from mid-May to early September for refreshing dips on warm days.
  • Playground and Sports Courts: Including basketball, bocce, gaga ball, horseshoe pits, and sand volleyball for active entertainment.
  • Pet-Friendly Features: Our KampK9® dog park ensures furry friends have space to play, plus pet-friendly sites and cabins.
  • Convenience Services: Free Wi-Fi, 24-hour coin laundry, Kampstore for supplies, propane and firewood sales, garbage pickup, and a nature trail for peaceful walks.
  • Unique Experiences: Join us on weekends for Amish baked goods, crafts, wagon rides, and more—

We also offer fishing opportunities on-site or nearby, book exchanges, and fire rings at every site for cozy evenings under the stars.

Nearby Attractions to Explore
Our location in Mercer, PA—near Grove City and the rolling hills of western Pennsylvania—puts you close to must-see spots that draw visitors year-round. Shop tax-free at the Grove City Premium Outlets (just 3 miles away) with over 120 brand-name stores. Dive into adventure at Keystone Safari, a 143-acre interactive animal park only 8 minutes from us. For cultural immersion, take Amish country tours with Simple Life Tours or visit Volant Village Shops for quaint shopping and dining. Thrill-seekers can try skydiving at Skydive Pennsylvania or hike the trails at Jennings Environmental Education Center, home to rare blazing-star flowers. Golf enthusiasts will love nearby courses like Willow Hills, Spring Valley, and the free Buhl Park Golf Course. Water lovers can rent canoes, kayaks, or tubes for floats down the Shenango River with Carried Away Outfitters. Don't miss Wendell August Forge for handcrafted gifts or outdoor recreation in the area's forests and prairies

Ready to plan your stay? Learn more about our RV Sites to compare options.

Create lasting memories and Book now at Mercer / Grove City KOA Holiday—your gateway to western Pennsylvania's best RV camping experiences!

Campground Amenities

  • 50 Max Amp
  • 120' Max Length
  • Wi-Fi
  • Pool (5/18 - 9/3)
  • Propane ($)
  • Fishing
  • Firewood ($)
  • Dog Park
More About Amenities

Ways to Stay

KOA Holiday

KOA Holiday Campgrounds

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.

KOA Holidays Feature:

  • RV Sites with a KOA Patio®
  • Deluxe Cabins with full baths
  • Premium Tent Sites
  • Group meeting facilities

Latest Hot Deal

KOA Rewards Appreciation Weekend

KOA Rewards Appreciation Weekend Photo

WHEN: September 11-12, 2026

WHAT: KOA Rewards holders stay as a paying guest on Friday, September 11th at any participating KOA campground and get Saturday, September 12th for FREE*.

WHY: KOA Rewards Appreciation Weekend is designed exclusively for KOA Rewards holders to say thanks for your loyalty and for trusting your camping memories to us. On this late-summer weekend, we gather to celebrate friends, family and fun in the great outdoors we all adore.

* Only at participating KOA locations. Applies to one site per a KOA Rewards account, for two consecutive nights at the same KOA. Sites may be limited. KOA Rewards discount does apply but not valid with other discounts.

Book This Hot Deal

Local Area

Local Area Guide

Check out our Local Area Guide to help you decide where to eat, shop, and play!

More

Grove City Premium Outlets - 6 Minutes

Grove City Premium Outlets is western Pennsylvania's premiere shopping destination with over 120 brand name stores including Coach, aerie, J. Crew, The North Face, Columbia, Gap, Nike, Tommy Hilfiger, Vera Bradley and White House Black Market. The open air mall is located just off I-79, 3 miles south of the campground. Save 25-65% off everyday retail and enjoy the savings offered by Pennsylvania's tax-free status on most clothing and shoes.

1911 Leesburg Grove City Road

Grove City, PA 16127

724-748-4770

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Wendell August Forge - 6 Minutes

Find handcrafted gifts that are made using centuries old techniques. Our gifts are pieces of art, designed by artists and put into metal by incredible craftsman.
Stop by our Flagship Store online to see our newest gifts of the season.
Wendell August Forge is a family owned business celebrating 100 years! Every one of your purchases is proudly helping to keep jobs right here in America.

1911 Leesburg-Grove City

Mercer, PA 16137

724-748-9501

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Keystone Safari - 8 Minutes

143 acre interactive animal and adventure park located  less than two miles off of I-79. Guests of all ages will be delighted by a visit to this unique park that has been years in the making.

2284 Mercer Butler Pike

Grove City, PA 16127

724-748-6777

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Campground Awards and Programs