The region of Sankt Wendel can be directly accessed via the two motorways, the A1 and the A62. 
Coming from the A1 Saarbrücken-Trier from either direction the exit Primstal is recommended. From there onwards the route leads via Selbach to the Bostalsee.
From the A62 (motorway) interchange Nonnweiler Dreieck - direction Landstuhl-Pirmasens take the  exit Nohfelden-Türkismühle. From there you reach the Bostalsee via Eckelhausen and Bosen.
Coming from the direction of Mannheim/Ludwigshafen it is are recommended that you take the A6 (motorway) via Kaiserslautern, which from the interchange Kreuz Landstuhl continues on the A62 leading to the Bostalsee.
Via the Bundesstraße B41 (an A-road) Saarbrücken-Idar-Oberstein you travel north until Nohfelden and from there on the Landstraße (a B-road) direction Türkismühle to the Bostalsee.
Coming from the south from direction Saarbrücken you travel to St. Wendel and from there on via Bliesen, Gronig and Selbach to the Bostalsee.
From the Bundesstraße B 269 Saarlouis-St.Wendel coming from either direction you take the exit Theley and via Selbach reach the Bostalsee.
From the Bundesstraße B420 Ottweiler-Kusel from both directions coming you go via Werschweiler to St. Wendel and from there on via Bliesen, Gronig and Selbach to the Bostalsee.

The ICE and IC trains to Mannheim-Frankfurt and Stuttgart-Munich and also Paris stop at the main station in Saarbrücken. There are regular connections from and to Strasbourg and Metz. The high speed train, the TGV, from and to Paris takes 1 Hour 48 minutes from Saarbrücken.

From Saarbrücken you can use local trains via the Nahetalstrecke direction Bingerbrück/Mainz to St. Wendel or Türkismühle. At the train station of St. Wendel is a taxi rank (TaxiGermany-wide: Telephone: 22456; no predial, also for mobiles)and the central bus station (ZOB).

You may take your bikes on local trains Mon. – Fri. from 9 o’clock onwards, Saturdays, Sundays and on Bank Holidays. Taking the bikes is generally subject to available capacities. For that reason you should avoid rush hours and take your bike into the train outside peak travel periods.

Addresses:

Bahnhof (train station) St. Wendel

Mommstraße

66606 St. Wendel

Bahnhof (train station) Türkismühle

Saarbrücker Straße

66625 Nohfelden-Türkismühle

Hauptbahnhof (main train station) Saarbrücken

Am Hauptbahnhof 4

66111 Saarbrücken

Telephone (0681) 3080

Free travel information by the Deutsche Bahn: 0800 1 50 70 90 or www.fahrplanauskunft.deand www.bahn.de/saarland