Hill City – Sylvan Lake loop from Keystone

Hill City – Sylvan Lake loop from Keystone

Hard

3.3

(11)

riders

Hill City – Sylvan Lake loop from Keystone

05:07

95.0km

1,620m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: September 26, 2026

Tips

The surface for a segment of your route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 16.5 km for 757 m

Waypoints

Start point

Train Station

Get Directions

6.16 km

Rock Formations in Black Hills National Forest

Highlight • Natural Monument

The Black Hills are fossil-rich and from a distance the darker and denser vegetated ridgelines make them appear dark or even black.

Tip by

11.3 km

Wildlife Gate on Old Hill City Road

Highlight • Structure

A decorative gate to a private residence that can be admired from Old Hill City Road. The carved metal gate depicts local wildlife and mountain scenes.

Tip by

16.7 km

Hill City

Highlight • Settlement

Hill City, South Dakota, has a rich history and plenty of outdoor activities. Founded during the Black Hills gold rush, the town is known as "The Heart of the Hills." …

Tip by

32.5 km

Sylvan Lake

Highlight • Lake

Lake Sylvan is a pretty reservoir that attracts a lot of people in summer, as its shores made up of granite chaos are so photogenic. You can practice swimming, but …

Translated by Google •

Tip by

38.9 km

Needles Highway

Highlight (Segment) • Trail

The Needles Highway is a 14-mile road that is often called the most scenic road in the world. It passes through pine and spruce forests, meadows surrounded by birch and …

Tip by

72.6 km

Iron Mountain Road

Highlight (Segment) • Trail

Also known as 16A, Iron Mountain Road is an iconic road in the Black Hills. The road has a large amount of switchbacks as it climbs the mountains, which helps …

Tip by

87.4 km

Norbeck Overlook

Highlight • Viewpoint

After climbing switchback after switchback climbing Iron Mountain Road, you are rewarded with a great view of Mount Rushmore.

There is a viewing area, so you can pull off the …

Tip by

95.0 km

End point

Train Station

Way Types & Surfaces

Way Types

72.4 km

19.6 km

2.26 km

757 m

Surfaces

82.5 km