Possible location of location where guides for the Hornisgrinde and Mummelsee may be procured. Current location of Skilift Seibelseckle.
Bædeker The Rhine from Rotterdam to Constance (1873) Route 46 page 253
The Mummelsee is a 17-metre-deep lake at the western mountainside of the Hornisgrinde in the Northern Black Forest of Germany. It is very popular with tourists travelling along the Schwarzwaldhochstraße. According to legends, the lake is inhabited by a Nix and the King of the Mummelsee.
The Hornisgrinde, 1,164 m (3,820 ft), is the highest mountain in the Northern Black Forest of Germany. The Hornisgrinde lies in northern Ortenaukreis district.
Vorderlangenbach or Vorderer Langenbach , hamlet of the municipality Baiersbronn , district Freudenstadt, Baden-Württemberg
Bædeker The Rhine from Rotterdam to Constance (1873) Route 46 page 253 mentions the location of a timber sluice.
The village of Zwickgabel is a woodcutter settlement of the 18th century. Since 1932 there is a small Protestant church in Zwickgabel.
From Bædeker's Rhine - 1873, Route 46 page 250
Raumünzach is a residential area in the municipality of Forbach in the northern Black Forest , which was founded in 1775 by forest workers. The settlement with around 30 residents is located on the B 462 and the junction of the L 83 to Hundsbach and the Schwarzenbachtalsperre as well as at the mouth of the mountain stream of the same name into the Murg .
Forbach is a village in Baden-Württemberg, Germany. It lies in the district of Rastatt. It is located in the Murg river valley, in the northern part of the Black Forest mountains.
From Bædeker's The Rhine from Rotterdam to Constance - 1878: Route 47
Forbach, a thriving village, with a picturesque church on a hill, is the finest point in the valley.
At Oberbeuren, 3 M to the E of Baden, the inn of the huntsman's bugle is indicated by a laughing visage, well executed in sandstone, placed above the door.
Bædeker's Rhine - 1873 Route 34 page 200
Oppenau is situated in the Rench valley in the Black Forest. The nearest major cities are Offenburg and Freudenstadt.
Wikipedia
At the Kreuz Inn, near Oppenau, the road to Freudenstadt and Antogast (see below) diverges to the r. At (6 M.) the busy little town of Oppenau (*Stahlbad; Post) “Kirschwasser' is largely manufactured.
Bædeker - Rhine, 1873 page 255
See Bædeker Rhine 1886 page 361