HydroBASINS lev08 watershed · #2080551300
Bassin de la Dronne
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 5 administrative regions : Charente, Charente-Maritime, Dordogne, Gironde, Haute-Vienne
Sub-basin area
2 789,7km²
Upstream area
2 789,9km²
Discharge
46,91m³/s
Mean elev.
147m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 1869.4 km²66.9% of basin
- 659.8 km²23.6% of basin
- 109.3 km²3.9% of basin
- 90.3 km²3.2% of basin
- 67.3 km²2.4% of basin
214 communes (GADM L5)Available for FRA, RWA
- La Roche-Chalais89.64 km²100% commune
- Saint-Saud-Lacoussière59.18 km²100% commune
- Mialet38.34 km²100% commune
- Brantôme36.16 km²100% commune
- Milhac-de-Nontron35.92 km²100% commune
- Vanxains35.61 km²100% commune
- Dournazac34.34 km²95% commune
- Saint-Aulaye34.20 km²100% commune
- Saint-Jory-de-Chalais33.09 km²100% commune
- Grand-Brassac32.62 km²100% commune
- La Genétouze32.15 km²85% commune
- Tocane-Saint-Apre31.17 km²94% commune
- La Jemaye29.31 km²100% commune
- Villars29.06 km²100% commune
- Saint-Aigulin28.67 km²100% commune
- Vieux-Mareuil28.02 km²100% commune
- Celles27.69 km²100% commune
- Saint-Amant27.37 km²100% commune
- Ronsenac26.86 km²100% commune
- Montboyer26.69 km²100% commune
- Saint-Crépin-de-Richemont26.14 km²100% commune
- Mareuil26.02 km²100% commune
- Champagne-et-Fontaine25.13 km²100% commune
- Gout-Rossignol25.07 km²100% commune
- Champeaux-et-la-Chapelle-Pommier24.16 km²100% commune
- Rougnac24.13 km²81% commune
- Juignac24.06 km²100% commune
- Saint-Pardoux-la-Rivière23.63 km²100% commune
- Saint-Romain23.55 km²100% commune
- Bourdeilles23.53 km²100% commune
- Léguillac-de-Cercles23.28 km²100% commune
- Firbeix23.07 km²100% commune
- Bussière-Galant22.99 km²42% commune
- Ribérac22.53 km²100% commune
- Combiers22.40 km²93% commune
- Paussac-et-Saint-Vivien21.84 km²100% commune
- Thiviers21.84 km²76% commune
- Saint-Martin-de-Fressengeas21.41 km²100% commune
- Saint-Christophe-de-Double21.24 km²59% commune
- La Barde20.89 km²100% commune
- Salles-Lavalette20.75 km²100% commune
- Saint-Pierre-de-Côle20.69 km²100% commune
- Nanteuil-Auriac-de-Bourzac20.43 km²100% commune
- Pillac19.90 km²100% commune
- Siorac-de-Ribérac19.72 km²94% commune
- Saint-Privat-des-Prés19.53 km²100% commune
- La Chapelle-Faucher19.24 km²100% commune
- Allemans19.12 km²100% commune
- Champagnac-de-Belair19.05 km²100% commune
- Champs-Romain19.04 km²91% commune
- Verteillac18.99 km²100% commune
- Valeuil18.87 km²100% commune
- Lisle18.85 km²100% commune
- Yviers18.80 km²81% commune
- Saint-Front-la-Rivière18.41 km²100% commune
- Cherval18.34 km²100% commune
- Sceau-Saint-Angel18.21 km²98% commune
- Courgeac18.02 km²98% commune
- Quinsac17.97 km²100% commune
- Magnac-Lavalette-Villars17.87 km²77% commune
- Chalais17.86 km²100% commune
- Les Églisottes-et-Chalaures17.51 km²100% commune
- La Rochebeaucourt-et-Argentine17.37 km²100% commune
- Condat-sur-Trincou17.36 km²100% commune
- Bussac17.17 km²100% commune
- Beaussac16.87 km²89% commune
- Bertric-Burée16.70 km²100% commune
- Édon16.57 km²100% commune
- Saint-Martin-de-Ribérac16.55 km²100% commune
- Saint-Vincent-Jalmoutiers16.36 km²100% commune
- Gurat16.04 km²100% commune
- Bors (Canton de Montmoreau-Saint15.96 km²100% commune
- Villetoureix15.86 km²100% commune
- Chamadelle15.54 km²99% commune
- Cercles15.46 km²100% commune
- Saint-Séverin15.35 km²100% commune
- Biras15.24 km²77% commune
- Échourgnac15.01 km²43% commune
- Saint-André-de-Double14.88 km²54% commune
- Bonnes14.85 km²100% commune
- Rioux-Martin14.53 km²100% commune
- Rudeau-Ladosse14.29 km²100% commune
- La Coquille14.26 km²60% commune
- Bouteilles-Saint-Sébastien14.15 km²100% commune
- Saint-Romain-et-Saint-Clément14.09 km²100% commune
- Parcoul13.82 km²100% commune
- Montagrier13.79 km²100% commune
- Boscamnant13.67 km²98% commune
- Gardes-le-Pontaroux13.28 km²100% commune
- Lussas-et-Nontronneau13.22 km²56% commune
- Saint-Front-sur-Nizonne12.90 km²99% commune
- Chalais12.88 km²69% commune
- Saint-Jean-de-Côle12.84 km²100% commune
- Festalemps12.84 km²100% commune
- Monsec12.72 km²100% commune
- Les Peintures12.72 km²97% commune
- Chenaud12.58 km²100% commune
- Saint-Martin-de-Coux12.48 km²79% commune
- Saint-Antoine-Cumond12.48 km²100% commune
- Sainte-Croix-de-Mareuil12.41 km²100% commune
- Saint-Quentin-de-Chalais12.38 km²100% commune
- Saint-Martial-Viveyrol12.20 km²100% commune
- La Gonterie-Boulouneix12.14 km²100% commune
- Vendoire12.02 km²100% commune
- Coutras11.97 km²35% commune
- Blanzaguet-Saint-Cybard11.95 km²100% commune
- Saint-Sulpice-de-Mareuil11.84 km²100% commune
- Puymangou11.74 km²100% commune
- Montmoreau-Saint-Cybard11.42 km²99% commune
- Mensignac10.78 km²42% commune
- Saint-Just10.75 km²100% commune
- Aignes-et-Puypéroux10.75 km²81% commune
- Petit-Bersac10.59 km²100% commune
- Brie-sous-Chalais10.53 km²100% commune
- Montignac-le-Coq10.51 km²100% commune
- Brossac10.35 km²49% commune
- Laprade10.23 km²100% commune
- Saint-Laurent-de-Belzagot10.18 km²100% commune
- Chavenat9.79 km²100% commune
- Rouffiac9.72 km²100% commune
- Saint-Méard-de-Drône9.42 km²100% commune
- Bourg-des-Maisons9.31 km²100% commune
- Saint-Paul-Lizonne9.25 km²100% commune
- Saint-Martial9.03 km²97% commune
- Bellon9.00 km²100% commune
- Eyvirat8.86 km²49% commune
- Châtignac8.77 km²93% commune
- Palluaud8.77 km²100% commune
- Saint-Pardoux-de-Drône8.75 km²100% commune
- La Chapelle-Montmoreau8.68 km²100% commune
- Les Essards8.64 km²100% commune
- Coutures8.54 km²100% commune
- Cantillac8.53 km²100% commune
- Douchapt8.51 km²100% commune
- Lempzours8.17 km²71% commune
- Saint-Laurent-des-Combes7.91 km²100% commune
- La Tour-Blanche7.78 km²100% commune
- Bourg-du-Bost7.76 km²100% commune
- Puyrenier7.66 km²100% commune
- Lusignac7.53 km²100% commune
- Bardenac7.35 km²91% commune
- Villebois-Lavalette7.32 km²100% commune
- Sencenac-Puy-de-Fourches7.30 km²65% commune
- La Chapelle-Grésignac7.19 km²100% commune
- Chapdeuil7.14 km²100% commune
- Juillaguet7.14 km²95% commune
- Saint-Sulpice-de-Roumagnac6.96 km²63% commune
- Saint-Pancrace6.85 km²100% commune
- Vaux-Lavalette6.81 km²100% commune
- Courlac6.33 km²100% commune
- Charmant6.33 km²37% commune
- Saint-Julien-de-Bourdeilles6.30 km²100% commune
- Saint-Félix-de-Bourdeilles6.18 km²100% commune
- Servanches6.15 km²30% commune
- Châlus6.06 km²22% commune
- La Chapelle-Montabourlet5.90 km²100% commune
- Nontron5.87 km²23% commune
- Orival5.86 km²100% commune
- Chassaignes5.81 km²100% commune
- Nabinaud5.77 km²100% commune
- Médillac5.73 km²100% commune
- Vaunac5.73 km²39% commune
- Hautefaye5.61 km²45% commune
- Le Fieu5.53 km²38% commune
- Lagorce5.51 km²19% commune
- Connezac5.47 km²95% commune
- Saint-Félix5.41 km²67% commune
- Bazac5.40 km²100% commune
- Grassac4.89 km²17% commune
- Saint-Victor4.88 km²100% commune
- Dignac4.84 km²17% commune
- Curac4.78 km²100% commune
- Creyssac4.33 km²100% commune
- Segonzac4.05 km²99% commune
- Ponteyraud4.02 km²100% commune
- Les Graulges3.92 km²100% commune
- Comberanche-et-Épeluche3.74 km²100% commune
- Saint-Avit3.38 km²100% commune
- Saint-Pierre-de-Frugie3.02 km²14% commune
- Saint-Front-d'Alemps2.72 km²14% commune
- Pageas2.65 km²10% commune
- La Chapelle-Gonaguet2.44 km²13% commune
- Saint-Eutrope2.40 km²84% commune
- Aubeterre-sur-Dronne2.40 km²100% commune
- Saint-Martial-de-Valette2.40 km²15% commune
- Saint-Vincent-de-Connezac2.17 km²14% commune
- Le Fouilloux1.34 km²5% commune
- Saint-Aquilin1.02 km²5% commune
- Saint-Paul-la-Roche0.96 km²2% commune
- Eygurande-et-Gardedeuil0.96 km²3% commune
- Nonac0.86 km²4% commune
- Pensol0.78 km²5% commune
- Nantheuil0.74 km²4% commune
- La Chapelle-Montbrandeix0.44 km²2% commune
- Chantérac0.42 km²2% commune
- Fouquebrune0.38 km²1% commune
- Sainte-Souline0.36 km²5% commune
- Sauvignac0.34 km²3% commune
- Charras0.32 km²2% commune
- Deviat0.24 km²3% commune
- Sablons0.18 km²2% commune
- Vouzan0.17 km²1% commune
- Saint-Antoine-sur-l'Isle0.14 km²1% commune
- Pérignac0.10 km²0% commune
- Chadurie0.09 km²1% commune
- Saint-Pierre-du-Palais0.07 km²1% commune
- Château-l'Évêque0.07 km²0% commune
- Abjat-sur-Bandiat0.04 km²0% commune
- Savignac-de-Nontron0.04 km²0% commune
- Saint-Vallier0.02 km²0% commune
- Saint-Michel-de-Double0.01 km²0% commune
- La Clotte0.00 km²0% commune
- Négrondes0.00 km²0% commune
- Passirac0.00 km²0% commune
30 intersecting protected areas
Périgord-Limousin
IUCN VRegional Nature Park
614.96 km² overlap
Vallée de la Dronne de Brantôme à sa confluence avec l'Isle
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
58.33 km² overlap
Vallée de la Nizonne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
33.96 km² overlap
Vallées de la Double
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
22.65 km² overlap
Réseau hydrographique de la Haute Dronne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
19.62 km² overlap
Vallée de la Tude
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.54 km² overlap
Vallon de la Sandonie
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.73 km² overlap
Côteaux du Montmorélien
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.01 km² overlap
Coteaux de la Dronne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.69 km² overlap
21 more protected areassorted by overlap area
Plateau d'Argentine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.97 km² overlap
Biotope Protection Order
0.74 km² overlap
Rivière Dronne
IUCN IVBiotope Protection Order
0.71 km² overlap
Vallée de l'Isle de Périgueux à sa confluence avec la Dordogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.51 km² overlap
Landes de Touverac - Saint-Vallier
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.49 km² overlap
chez verdu
IUCN IVLand acquired by a regional conservatory of natural areas
0.22 km² overlap
tourbiere de vendoire
IUCN IVLand acquired by a regional conservatory of natural areas
0.18 km² overlap
Land acquired by a regional conservatory of natural areas
0.18 km² overlap
Biotope Protection Order
0.18 km² overlap
Land acquired by a regional conservatory of natural areas
0.16 km² overlap
tourbieres de la lizonne
IUCN IVLand acquired by a regional conservatory of natural areas
0.12 km² overlap
Land acquired by a regional conservatory of natural areas
0.09 km² overlap
Land acquired by a regional conservatory of natural areas
0.09 km² overlap
Land acquired by a regional conservatory of natural areas
0.09 km² overlap
la nizonne - argentine
IUCN IVLand acquired by a regional conservatory of natural areas
0.07 km² overlap
Regional Nature Reserve
0.06 km² overlap
Land acquired by a regional conservatory of natural areas
0.05 km² overlap
carrieres des garennes
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
Biotope Protection Order
0.04 km² overlap
coteau des majestes
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
coteau de la riviere
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 858 distinct species · 561 317 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de la Dronne : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 133 interactions GloBI sur 6 types (connectance 16.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
11,9°C
Annual rain
911mm
Moisture idx (CMI)
-0,04
Runoff
517mm/an
PET
953mm
AET
680mm
Mean slope
3,2°
Water table
171cm
Forest
28%
Crops
38%
Urban
0%
Protected
22%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)