Piedra Nzas
IUCN IIINatural Monument · 2000
185 km²
Districts|Municipals · GNQ
Ayene
Equatorial Guinea
AmTropical, monsoon(95 %)
Species observed
238
Observations
774
Area
841,3km²
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Species present
238 distinct species · 774 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,8°C
Annual rain
2 265mm
Warmest m°
28,5°C
Coldest m°
19,3°C
Elevation: 655 m on average (min 638 m, max 717 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,8°C
Annual rain
2 265mm
Warmest month
28,5°C
Coldest month
19,3°C
Mean alt.
655m
Min
638m
Max
717m
Std. dev.
8m
Köppen-Geiger (dominant)
AmTropical, monsoon(95 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology9 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
82,4km
Basins crossed
9
Max stream order
5
Max drainage
3 541km²
Discharge in basins
109,9m³/s
Mean precip.
2 006mm/an
Mean T°
22,6°C
Moisture idx
0,24
Mean runoff
868mm/an
Mean elev. (basins)
680m
Watersheds crossing here
- Bassin de Río Mbinisub-area205,4 km²overlap168.71 km²20%
- Bassin de Río Mbinisub-area321,9 km²overlap161.17 km²19%
- Bassin de Río Mbinisub-area489,7 km²overlap146.65 km²17%
- Bassin de Río Mbinisub-area1 785,7 km²overlap101.66 km²12%
- Bassin de Río Mbinisub-area387 km²overlap84.36 km²10%
- Bassin de Río Mbinisub-area369,9 km²overlap66.21 km²8%
- Basin #06080sub-area730,1 km²overlap56.02 km²7%
- Bassin de Río Mbinisub-area330,3 km²overlap43.60 km²5%
- Bassin de Río Mbinisub-area140,7 km²overlap12.95 km²2%
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas1
IUCN III · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN