Abandoned Towns
Three bearded miners shovel gravel into a long wooden sluice on a slate-strewn placer claim at Rockerville in 1889

Gold mining town · Railroad and road town

Rockerville

A gold camp of 1876 named for the hand rockers its miners used. It had a second life as a tourist stop on the road to Mount Rushmore, until the highway was widened around it.

43°57′29″N 103°21′31″W · ≈4,370 ft

Photo: John Grabill, Wikimedia Commons, Public domain

Overview

Gold rockers, a flume and a highway

Hydraulic mining at Rockerville, photographed by John C. H. Grabill in 1889
Hydraulic mining at Rockerville, photographed by John C. H. Grabill in 1889 · Photo: John Grabill, Wikimedia Commons, Public domain

Rockerville began in 1876, during the Black Hills gold rush. The state historical marker credits William Keeler, who was taking a string of burros from Sheridan to Rapid City and bedded down where Captain Jack's Gulch leads south. In the marker's words, his bed proved to be a gold mine. There was gold but little water. The marker pictures a miner working a small rocker with a barrel of water used over and over, and Wikipedia says the camp was named for the rockers.

In 1880 a ditch and flume from Spring Creek finally brought water to the claims. Sources disagree on its length: the marker says 14 miles, the regional tourism association about 20. The association also says the flume ran until 1885 and helped miners recover over $20 million in gold. We could not find a primary figure to check that against. Grabill's 1889 photographs show the diggings still being worked.

In the 1950s and 1960s Rockerville lived again on traffic to Mount Rushmore. It had a melodrama theater, a mock ghost town of shops, a miniatures museum, a motel and campgrounds. When US 16 became four lanes in the mid-1960s, the carriageways were split around the old town. Exits kept visitors coming for a while, but by the 1990s the tourist trade had died. Wikipedia says the damage a bypass does to a town is sometimes called "Rockerville Syndrome" in South Dakota.

Timeline

Placer camp to roadside stop

Washing and panning gold at Rockerville, 1889
Washing and panning gold at Rockerville, 1889 · Photo: John Grabill, Wikimedia Commons, Public domain
  1. Gold is found here during the Black Hills gold rush. The state marker credits William Keeler, who was taking burros from Sheridan to Rapid City and bedded down where Captain Jack's Gulch leads south. "His bed proved to be a gold mine."
  2. Water is scarce. The marker pictures a miner with a barrel of water, used over and over, and a small rocker to wash the gravel. The camp is named for the rockers.
  3. A ditch and flume from Spring Creek brings water to the placer claims. The marker gives its length as 14 miles; the regional tourism association says about 20.
  4. The flume stops running, by the tourism association's account.
  5. John C. H. Grabill photographs placer and hydraulic mining at Rockerville.
  6. A state historical marker goes up. The state's list placed it on Main Street in 1988.
  7. Rockerville becomes a roadside stop on US 16 to Mount Rushmore, with a melodrama theater, a mock ghost town of shops and a miniatures museum.
  8. US 16 is widened to four lanes. The two carriageways split around the old townsite, leaving it in the median.
  9. Traffic passes by and the tourist businesses close. Most of the old buildings decay and are torn down.

What's left

What you'll see

Wikipedia describes the old townsite as a doughnut: homes, subdivisions and a sawmill have grown up around it, while most of the tourist-era buildings have closed, decayed and been torn down. It mentions a group of log cabins still standing and the Gaslight Saloon, rebuilt after a fire. We could not confirm their current state. A commercial strip about a mile east is called East Rockerville.

The best surviving trace of the mining camp is the flume line. The Flume Trail, a National Recreation Trail, follows the old bed west toward Sheridan Lake, and parts of the flume still lie along it.

  • State historical marker (1955; on Main Street as of 1988)
  • Log cabins
  • Gaslight Saloon
  • Flume bed and remnants on the Flume Trail
USGS topographic map of Rockerville and US 16
USGS The National Map, topo. Rockerville is marked between the two carriageways of US 16. The Coon Hollow trailhead is at lower left.
Aerial view of Rockerville: buildings and a cleared lot between the two lanes of US 16, with houses in the trees to the right
Aerial imagery, same area. The two lanes of US 16 split around the old town, with homes in the forest on either side.

Historic maps

Rockerville on USGS maps, 1894–1977

Crops from the USGS Historical Topographic Map Collection, centered on the townsite. Each sheet shows what surveyors mapped that year; compare them with today's topo and aerial on this page.

USGS topographic map around Rockerville, 1894
Hermosa sheet, 1894, 1:125,000 · U.S. Geological Survey, public domain · catalog record

Day trip

Plan a day trip to Rockerville from Keystone

Take it with you

Day trip itinerary

The essentials, the sample day with boxes to tick, what to photograph and the coordinates, on two printable pages. Handy where there's no signal.

Download the PDF (470 KB)

The way to see Rockerville's mining past is on foot. The Flume Trail follows the bed of the 1880 flume west from the Coon Hollow trailhead, just off US 16 at Rockerville. Walk out and back as far as you like, then eat in Keystone or Rapid City.

A sample day

  1. Drive from Keystone on US 16A and US 16 to Rockerville and park at the Coon Hollow trailhead.
  2. Walk west on the Flume Trail from Coon Hollow and turn back when you like. Watch for flume remains along the old grade.
  3. Back to Keystone for lunch, or on to Rapid City.

What to photograph and film

  • The flume bed. The level grade cut into the hillside is easier to read in low side light.
  • Grabill's views. Compare today's gulches with the 1889 photographs in the gallery.

Map & directions

Getting there

Rockerville is just off US 16, the main road from Rapid City to Keystone and Mount Rushmore. From Keystone it's a short run east; from Rapid City, head south out of town on Mount Rushmore Road.

Topographic map of US 16 from Rapid City to Rockerville and Keystone, with the routes drawn on it

Base map: USGS The National Map (public domain). Routes: OSRM on © OpenStreetMap contributors data (ODbL), computed October 2026. Times assume dry roads.

From Keystone8.3 miabout 13 min
  1. From Keystone, follow SD 40 (1st Street, then Reed Street) to US 16A.0.4 mi
  2. Turn right on US 16A and keep right where it forks.2.6 mi
  3. Merge onto US 16 northeast toward Rapid City.5.1 mi
  4. Turn left on South Rockerville Road to Main Street.0.1 mi
Google Maps directionsApple MapsOpenStreetMap

Road and safety notes

  • All routes are paved.
  • The Flume Trail's eastern end is the Coon Hollow Trailhead. The Forest Service says to exit US 16 at Rockerville onto Silver Mountain Road and go 0.2 miles. Its western end is the Calumet Trailhead near Sheridan Lake.

Photos

Rockerville in photos

Visitor reports

Been to Rockerville?

Been there lately? Tell the next visitor what you found: whether you could get in, the state of the road and what's still standing. Photos are welcome. We read every report before it appears here.

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Nearby

Other sites near Rockerville

Straight-line distance from the townsite to other mapped sites in our South Dakota index.

Sources

Sources and credits

  1. Wikipedia, "Rockerville, South Dakota", retrieved October 2026: the 1876 founding, the name, the tourist era, the US 16 widening, decline, remaining buildings, East Rockerville.
  2. South Dakota historical marker 67, "Rockerville" (1955), text transcribed from State Historical Society records: William Keeler and Captain Jack's Gulch, the barrel and rocker, the 1880 14-mile ditch from Spring Creek, the 1988 Main Street location.
  3. Black Hills & Badlands Tourism Association, "Flume Trail", read October 2026: trail distances, the 20-mile flume, 1885, the $20 million figure, artifacts, National Recreation Trail.
  4. USDA Forest Service, Black Hills National Forest, "Coon Hollow Trailhead", last updated February 2, 2026: directions, day-use hours, no fee, no restroom or drinking water.
  5. Rapid City Post, "Fire destroys Rockerville area home," January 7, 2025: a lived-in community with its own fire department.
  6. ghosttowns.com, "Rockerville": fact-sheet fields (best time).
  7. Photographs: John C. H. Grabill, 1889, Library of Congress via Wikimedia Commons (public domain).
  8. Elevation: USGS 3D Elevation Program point query. Routes: OSRM on OpenStreetMap data, October 2026.

Photo and map credits