The park has the following amenities: Pavilion (reservations required through New Castle County), picnic tables, porta-potties, playground for kids, bark park, 18-hole frisbee golf course, and loads of trails for hiking and mountain biking. Remember this is a dusk to dawn park so no night caching.
Recently I was in Iron Hill Park searching for locations to squeeze in a few more caches and this is one of the spots I found. The first part of the directions is the same as if heading for the "Iron High Low" cache [GC5W02T].
Park in the main Iron Hill parking area near the dog park and follow the paved path up to the left side of the pavilion. Located here is the trailhead for the yellow blaze (yellow/green) trail which skirts a very deep depression on your left--the remains of the old Whitaker Iron Mine. There are 3 splits in the trail before hitting the main yellow trail. Just keep bearing right. Continue on the yellow trail past the FSC-2013 Newark (Iron Hill) cache [GC4MAD3] and stay straight at all other junctions. Continue down the trail until you reach the listed trail junction. You will see a big tree with a red arrow on your left and another big tree with a green and yellow arrow on your right. Stay to the right of the tree with the green and yellow arrow. This is the white/green trail. Follow it to the next trail junction (TJ2 listed) and turn left at the white/green post. Continue on the white trail. You will pass close to the "Iron Hill Renew" cache [GC1CFFM] on your left. Keep on the trail and eventually you will reach the next trail junction (TJ3 listed), the yellow fence line trail. Turn left and the cache is only 370' away. GZ is not far from the trail. NOTE: The large deposits of iron ore in Iron Hill and the abundant tree cover causes satellite signals to bounce a bit so let your GPS adjust to the local conditions. If the signal is still jumpy you may have to use the hint. The cache container is hidden fairly well so a good hint is given. This is a micro so don't forget to bring your own pen or pencil to sign the log. Overall this will be a 1.5 mile round trip from the main parking area.
Warning: Mosquito/bug repellent may be required during the summer months. Also some days you may need to watch out for mountain bikers!
All 4 of the new caches are placed on the other side of the park. They can not be accessed from I-95 or 896, so please use the listed parking and plan accordingly. Once all of them are published you can make a 2 mile loop on both marked and unmarked trails to retrieve them and return to the main parking area. I recommend starting with the"Iron High Low" cache[GC5W02T], then do this one, then "Boulder Dam"[GC5W11D], and finally "The Roots of all Evil"[GC5W0XG].
Have fun and happy caching!
Congratulations to shorttripp for first-to-find!
Update as of 9/2/2022> I checked on this cache today. For this one I replaced the log sheet as well as the containers o-ring. It's good to go again.