Lock point Oberarth

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Infantry factory Oberarth 1 (A 7339)

The Oberarth blocking point (army designation no. 2333) was a border fortification of the Swiss army . It is located in the village of Oberarth at the former entrance of the Reduite to the Schwyz basin in the canton of Schwyz . The barrier was built from 1941, belonged to the operational area of ​​the 6th Division and from 1947 to the Reduit Brigade 24 .

It is considered a military historical monument of national importance.

Letzinen by Arth and Oberarth

The Letzinen in Arth and Oberarth belonged to the most important fortifications of the original cantons in the 14th century due to the possibility of incursion from Zug . They formed a system of two staggered barriers (Zugersee axes ⊙ ⊙ at Arth and Geländeschwelle Oberarth ⊙ ), which, taking into account natural terrain obstacles , should enclose the Arth plain and prevent the invasion of the Schwyz basin.

The two rock bands (rock barriers from Nagelfluh banks) leading down from Rossberg (Mühlefluh) and Rigi form the threshold at Oberarth. They only just leave a gap of 250 meters, which was artificially closed with a Letzimauer - still preserved today (95 meters) - with a ditch in front of it.

  • Mühlefluh rock band, Rossberg

  • medieval Letzi Oberarth

  • Last wall

  • Rigifuss rock band

Lock point Oberarth

During the Second World War , the new army position in the Reduit ordered by General Guisan (Operation Orders No. 11, 12, 13) gave the impetus for the construction of the lock point. The 6th Division was withdrawn from the Limmat position to reinforce the left wing of the 4th Army Corps and was given the task of blocking access to the Schwyz basin from west of the Etzel to Lake Lucerne .

The Oberarth barrier was concentrated around the natural obstacle of the threshold. At the beginning of 1941 an anti-tank obstacle with a brook barrier (Rigi Aa) was created. In 1942 the construction of four infantry bunkers began and in 1944 five concrete shelters in the valley floor at the Oberarth threshold. The facilities were modernized during the Cold War.

12 known objects belonged to the blocking point:

  • Artillery Works Barbara (A 7330) ⊙
  • Verena Artillery Works (A 7341) ⊙
  • Infanteriewerk Oberarth 1 (A 7339) with a machine gun (Mg), a light machine gun (Lmg), an observer ⊙
  • Infanteriewerk Oberarth 2 (A 7337) tunnel with one Mg, two Lmg, one observer ⊙
  • Infanteriewerk Oberarth 3 (A 7332) as rock with an infantry cannon (Ik), an MG, an Lmg (later an anti-tank gun (Pak), an MG) ⊙
  • Infanteriewerk Oberarth 4 (A 7331) as rock work with one Mg, two Lmg (later with two Pak) ⊙
  • Shelters: Oberarth 1 (A 7340) ⊙ , Oberarth 2 (A 7338) ⊙ , Oberarth 3 (A 7336) ⊙ , Oberarth 4 (A 7335) ⊙ , Oberarth 5 (A 7334) ⊙ , Oberarth 6 (A 7333) ⊙

  • Scharten Oberarth 2 (A 7337) Mühlefluhtunnel

  • Felswerk Oberarth 3 (A 7332)

  • Felswerk Oberarth 4 (A 7331)

  • Stägenweidli shelter

Lock point St. Adrian

The blocking point St. Adrian (Army designation no. 2427) on the right bank of Lake Zug had the task of blocking the road from Zug-Walchwil towards Arth-Goldau-Gotthard and the SBB railway tunnel of the Gotthard Railway . The lock was occupied by the Territorial Regiment 82 under the 6th Division during World War II. It is considered a blocking point of regional importance.

  • Infantry bunker SBB Nord A 7280 with 1 Lmg ⊙
  • Infantry bunker SBB South A 7283 with 1 Mg, 1 Lmg ⊙
  • Infantry bunker SBB middle A 7386 with 2 Lmg ⊙
  • Infantry cannon shield St. Adrian A 7387 ⊙
  • Shelters St. Adrian 1 A 7281, 2 A 7284, 3 A 7385, 4 A 7282 ⊙

  • Infantry bunker SBB South and Middle (in the background)

Artillery plant Barbara

The rock (army designation A 7330) is located at 914  m above Goldau (municipality of Arth ) in the Chräbelwand below the Arth-Rigi-Bahn track. Construction began in November 1941 and in the summer of 1942 the plant was ready to fire. It cost around 1 million francs. Access for crew and material was via the Rigi-Bahn.

The armament consisted of four 7.5 cm bunker cannons 03/22 on lever mounts and the fire worked in the area of ​​Arth and Rossberg. The infrastructure included a fire control station, ammunition caverns, accommodation caverns, radio niches and artillery observers. The plant was occupied by the fortress artillery company 54. In 2004 the artillery was cleared and walled up.

  • AW Barbara, Chräbelwand site (dismantled)

Verena artillery plant

The rock (army designation A 7341) is located 785  m west of the Brandi farm on the road to Verenaberg in the municipality of Steinerberg . It was created in 1941/42.

The armament consisted of four 7.5 cm bunker cannons 03/22 on lever mounts and the fire worked in the Oberarth, Arth and Rigi area. The infrastructure included the four gun positions, four ammunition caverns, a workshop and a fire control center. The plant was occupied by the fortress artillery company 52.

  • AW Verena: to the entrance

Artillery plant floor

The artillery works Stock (Army designation A 7345) in Steinen -Gigersberg was equipped with four gun positions. The four 7.5 cm 03 cannons were set up to fire north. The external defense was formed by two machine gun (Mg) positions. The crew quarters were in barracks outside the plant.

  • Artillery work «Stock» A 7345 ⊙
  • Mg bunker “Stock 1” A 7345 ⊙
  • Mg bunker “Stock 2” A 7345 ⊙
  • Artillery observer bunker “Stock” A 7345 ⊙

Combat group Rigi

The 6th Division was divided into the “Biberbrücke”, “Alosen”, “Zugerberg” and “Rigi” detachments. The «Rigi» detachment initially consisted of the reinforced Territorial Battalion 149 and had to hold the space between Lake Zug and Lake Lucerne and prevent an advance towards the Gotthard fortress . According to the operational order of the 6th Division of September 14, 1940, the "Detachement Rigi", which consisted of a territorial battalion, had the defile (line) from the Rickenbachhof ( Zugersee ) barrier post , point 994 Oberstock, Rigi-Staffel, Rigi-Känzeli, Felsenthor to hold up to the area of ​​Schwanden.

Since it could not cope with the large area, it was replaced in April 1941 by the reinforced ( local defense , sappers) Territorial Regiment 82. In September 1941 the section of the 6th Division was reduced by the army command to the east side of the Rigi. The west side was taken over by the «Kampfgruppe Rigi» (reinforced 24th infantry regiment) of the 5th Division . From January 1944, the 5th Division took over the defense of the entire Rigi massif.

The infantry fortress dispositiv consisted of several blocked groups, which reinforced the defensive struggle of the infantry regiments and fusilier battalions with tank and infantry obstacles and explosive objects as well as infantry bunkers. These blocking groups were able to request artillery fire from the mobile artillery, partly from concrete gun emplacements and from artillery works in the canton of Schwyz.

Lock point Rigi

The Rigi blocking point (Army designation No. 2458) of Territorial Regiment 82 had prevented an advance from the Küssnacht area over the Rigi massif into the Schwyz area. Shed caverns were primarily built as a permanent infrastructure. Individual shelters were rebuilt and are used today (2018) for non-military purposes:

  • Rigi-Unterbuchen shelter A 2200 ⊙
  • Rigi-Felsentor shelter A 2201 ⊙
  • Fischkrattenbach A 7290 ⊙ shelter
  • Rigi-Kulm A 7300 shelter ⊙
  • Rigi-Kessiboden shelter A 7301 ⊙
  • Rigi-Felchlin A 7302 ⊙ shelter
  • Rigi-Staffel A 7303 shelter ⊙
  • Rigi-Staffel A 7304 shelter ⊙
  • Rigi-Junkholz shelter A 7305 ⊙
  • Rigi-Känzeli shelter 1 A 7306 ⊙
  • Rigi-Känzeli shelter 2 A 7307 ⊙
  • Rigi-Känzeli shelter 3 A 7308 ⊙
  • Rigi-Kaltbad shelter A 7309 ⊙
  • Rigi-First A 7310 shelter ⊙
  • Rigi-Rotstock A 7311 shelter ⊙
  • Rigi bear brick shelter A 7312 ⊙
  • Rigi-Wölfertschen shelter A 7313 ⊙
  • Rigi-Wölfertschen shelter A 7314 ⊙
  • Rigi-Wölfertschen shelter A 7315 ⊙
  • Rigi-Wölfertschen shelter A 7316 ⊙
  • Rigi-Wölfertschen shelter A 7317 ⊙
  • Rigi-Wölfertschen shelter A 7318 ⊙
  • Rigi sign shelter A 7319 ⊙

  • Rigi-Kulm shelter

  • Rigi-Felchlin shelter

  • Rigi-Stafel shelter

Museums

The Military History Foundation of the Canton of Zug and the Schwyzer Festungswerke Foundation have military history facilities in the former operations room of the 6th Division, which they make accessible to the public with open days and guided tours.

literature

Web links

Commons : Sperrstelle Oberarth  - Collection of images, videos and audio files

Individual evidence

  1. ↑ Lock point Oberarth . In: Federal Department of Defense, Civil Protection and Sport (ed.): Military monuments in the cantons of Uri, Schwyz and Zug. Inventory of the combat and command structures. Pages 24-25.
  2. ↑ Jost Bürgi: The last lines of Arth and Oberarth. The last of the original cantons, 1983
  3. ^ Fortress Oberland: Lock St. Adrian SZ
  4. ↑ Fortress Oberland: A7330 Artillery Works Barbara SZ
  5. ^ Schwyz fortifications: History of the artillery works
  6. ↑ Fortress Oberland: A7341 Artillery Works Verena SZ
  7. ↑ Oberland Fortress: Video AW Verena A 7341
  8. ↑ Fortress Oberland: A7345 Artillery Works Stock SZ
  9. ↑ Oberland Fortress: Lock 2458 Rigi SZ

Coordinates: 47 ° 3 '20.3 ​​"  N , 8 ° 32' 15.9"  E ; CH1903:  683505  /  212,207