The former Arrowhead State Park, now known as the Arrowhead Area at Lake Eufaula State Park is a 2,200-acre (8.9 km2) Oklahoma state park area located in northern Pittsburg County, Oklahoma on a peninsula of Eufaula Lake. It is located near the city of Canadian, Oklahoma. Eufaula is one of the largest man-made lakes in the southwest. Arrowhead State Park features 100 tent sites and 91 total RV sites. The park also offers picnic shelters, a marina, playgrounds, trails, miniature golf course, swimming area, mountain biking, equestrian campground, stables, and 25 miles (40 km) of equestrian trails. Group camps with a kitchen and bunkhouses are available and can sleep up to 144 people. Area 51 Marina, which also offers a restaurant, is also located at the park in the Echo Ridge area.