Table:
text: Lahn
Tributaries
Table of tributaries
Name_ Position_ Length_km_ Drainage_basin_area_km2_ Confluence_by_Lahn_km_ Mouth_elevation_m_above_MSL_
Feudinge (Rüppersbach) left 6.3 21.2 9.8 388
Ilse right 8.4 11.8 10.5 382
Banfe right 11.5 38.9 18.5 326
Laasphe left 8.3 19.6 19.4 324
Perf right 20.0 113.1 24.7 285
Dautphe left 8.8 41.8 37.5 245
Wetschaft left 29.0 196.2 56.3 192
Ohm left 59.7 983.8 58.7 188
Allna right 19.1 92.0 77.1 172
Zwester Ohm left 20.0 69.5 84.0 165
Salzböde right 27.6 137.8 87.4 164
Lumda left 30.0 131.5 93.6 160
Wieseck left 24.3 119.6 102.2 155
Bieber right 13.6 34.7 105.1 151
Kleebach left 26.9 164.6 106.2 150
Wetzbach left 11.7 32.9 119.6 147

text: Lahn
Tributaries
Table of tributaries
Name_ Position_ Length_km_ Drainage_basin_area_km2_ Confluence_by_Lahn_km_ Mouth_elevation_m_above_MSL_
Dill right 55.0 717.7 120.4 147
Solmsbach left 24.6 112.5 128.1 141
Iserbach (Möttbach) left 19.2 31.2 131.4 139
Ulmbach right 22.9 60.9 138.2 135
Kallenbach right 14.6 84.7 141.3 132
Weil left 46.6 247.9 149.4 130
Kerkerbach right 20.7 70.2 176.0 112
Emsbach left 39.1 321.8 181.0 110
Elbbach right 40.7 323.7  109
Aar left 49.7 312.6  103
Dörsbach left 32.0 114.0  94
Gelbach (Aubach) right 39.7 221.2  93
Mühlbach left 32.1 171.9  85
Emsbach right 11.5 29.4  75

Question: Which river is correct, with a catchment area of 11.8 below the Lahn?

Question: Which Lahn, which exceeds 300 m, also has a length of more than 10 km under the Lahn?