We enjoyed a super scenic drive though Custer State Park, along Iron Mountain Road and Needles Highway, with multiple narrow tunnels, fun twisty roads, and impressive views. Then went along the Wildlife Loop.

The map from their website; click or tap to see larger:

An interactive map of our route; we started at the Legion Lake Campground, heading northeast towards the Norbeck Overlook waypoint along the Iron Mountain Road, continuing anti-clockwise to Sylvan Lake, where we had lunch and a walk, then through the middle and clockwise around the Wildlife Loop, back to the campground:

A narrow and low tunnel:

Two narrow and low tunnels:

The second tunnel emerges to a bridge and corkscrew:

Another narrow tunnel:

This one has a peek of Mount Rushmore:

We went past Mount Rushmore on the route (been there before; not worth stopping again):

The first tunnel on the Needles Highway:

A selfie at Sylvan Lake:

We strolled along the lakeside after lunch; one of our favorite places:

Needle’s Eye:

Needle’s Eye tunnel:

More interesting rocks:

Wildlife: