Seßmarbach

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Seßmarbach
Data
Water code DE : 272832
location North Rhine-Westphalia , Germany
River system Rhine
Drain over Agger  → Sieg  → Rhine  → North Sea
source Southeast of Dannenberg
51 ° 4 ′ 9 ″  N , 7 ° 36 ′ 34 ″  E
Source height 379  m above sea level NN
muzzle Agger near Niederseßmar Coordinates: 51 ° 0 '12 "  N , 7 ° 34' 17"  E 51 ° 0 '12 "  N , 7 ° 34' 17"  E
Mouth height 182  m above sea level NN
Height difference 197 m
Bottom slope 22 ‰
length 9 km
Catchment area 20.182 km²
Medium-sized cities Gummersbach

The Seßmarbach , called Thalbecke and Becke in the upper reaches , is a 9.0 km long orographically right tributary of the Agger in the Oberbergisches Kreis , North Rhine-Westphalia ( Germany ).

geography

The Seßmarbach rises as Thalbecke about 1 km southeast of Dannenberg on the northern slope of the Unnenberg (505.6 m) at 379  m above sea level. NN . From here it flows primarily to the south. South of Engelnberg in the west and Langer Berg in the east, the brook flows underground through a Grauwacke area . Before Becke it reappears as a Becke and flows east past Gummersbach . It then continues its way south as Seßmarbach and flows into Niederseßmar at 182  m above sea level. NN in the Agger . On its way the brook overcomes 197 m difference in altitude, which corresponds to a mean bed gradient of 21.9 ‰.

Tributaries

The tributaries of the Seßmarbach are named below. The orographic position, the location of the mouth and the mouth height are given.

  • Lambach (right) in front of the Regensberg at 315  m above sea level. NN
  • Sieper Bach (right) before Becke at 273  m above sea level. NN (underground)

Individual evidence

  1. ↑ a b German basic map 1: 5000
  2. ↑ a b Topographical Information Management, Cologne District Government, Department GEObasis NRW ( Notes )

Source

  • Other data: Taken from topographic map 1: 25,000