Very nice campground between the Obey river and National Fish Hatchery. WiFi is available near the entrance, but it doesn't reach to the other end of the campground. There is a nice shaded paved walking trail (about 1/2 mi) that goes near the hatchery and fishing spots. There is a narrow bridge where the trail exits at the parking lot between site 35 and the river. Wheelchair users might want to start at that end and know that the path is very bumpy in spots due to root under the pavement. The trail is also accessible from a small parking area on Rt 53 just west (Celina side) of the campground turn. There are a variety of sites (slightly uphill / riverside, closer vs wider spaced). Most sites are shaded.
The rest of my review is about biking in the area. I generally prefer 7-20 mi. "mostly flat" routes as Google maps calls them. I have been riding toward Celina on Rt 53.
I tried Neely Creek Rd once, but it gets hilly pretty quick and there were loose dogs not far from 53.
Going on into Celina there are a few options. Turning left on River Rd just after the bridge is a nice ride but is only about 1.5 mi.
Turning right after the bridge on E Lake Rd takes you up into town. The road has a good shoulder most of the way and the speed limit is low. Donaldson Park is nearby. There are also neighborhoods in town to ride through, but I ran into more dogs in spots, they were generally friendly. After making a right to get over to Dow Ave I headed out of town across the large bridge. Nice view from the bridge on both sides.
Turning left near the gas station onto Moss Arcot Rd takes you beside the Clay County Fairgrounds. I have continued on through the open farm land area for about 1.5 mi before turning back.
Little Proctor Creek Rd on the right after the bridge looks like another potential good riding area, but I haven't tried there yet.
When returning to camp, the Dale Hollow Dam Rd has no shoulder and is uphill so I've been returning to camp via the trail by entering from the entrance on 53. I turn right since the path that direction is smoother.