Wilderness · usa
Pasayten
- Area
- 2 150 km²
- IUCN cat.
- Ib
- Year
- 1969
Overview
- Designation
- Wilderness
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 1969
- Managing authority
- Forest Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 156 distinct species · 36 747 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Pasayten : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 5 types (connectance 12.1%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology8 basins · 1 lakes · 74 rivers
Hydrology metrics for this exact territory
Stream length here
448,1km
Lake surface here
0,24km²
Basins crossed
8
Max stream order
3
Max drainage
8 280km²
Discharge in basins
28,6m³/s
Mean precip.
681mm/an
Mean T°
2,1°C
Moisture idx
-0,05
Max snow
46%
Mean runoff
455mm/an
Mean elev. (basins)
1 562m
Watersheds crossing here
- Bassin de Similkameen Riversub-area1 819,9 km²overlap540.91 km²25%
- Bassin de Methow Riversub-area1 285,3 km²overlap459.33 km²21%
- Bassin de Chewuch Riversub-area1 377 km²overlap433.13 km²20%
- Bassin de Skagit Riversub-area2 024,7 km²overlap359.78 km²17%
- Bassin de Ashnola Riversub-area1 058,7 km²overlap176.85 km²8%
- Bassin de Granite Creeksub-area568,8 km²overlap99.25 km²5%
- Bassin de Sinlahekin Creeksub-area768,3 km²overlap75.36 km²4%
- Bassin de Similkameen Riversub-area820,2 km²overlap5.60 km²0%
Lakes (1, top by area)
Rivers / streams (74, ord ≥ 4)
- Pasayten Riverord 3len here33.19 km55%total61 km
- Chewuch Riverord 4len here29.22 km48%total60 km
- Lost Riverord 3len here23.46 km100%total23 km
- West Fork Pasayten Riverord 2len here18.12 km100%total18 km
- Devil's Creekord 5len here17.55 km79%total22 km
- Drake Creekord 3len here16.31 km60%total27 km
- Eureka Creekord 2len here15.50 km73%total21 km
- Three Fools Creekord 3len here13.94 km94%total15 km
- North Fork Canyon Creekord 2len here13.67 km75%total18 km
- Chuchuwanteen Creekord 2len here13.01 km80%total16 km
- Ram Creekord 2len here12.08 km95%total13 km
- Ashnola Riverord 4len here11.27 km13%total84 km
62 more river segmentssorted by Strahler order + length
- Quartz Creekord 6len here10.99 km5%total227 km
- Lease Creekord 2len here10.74 km100%total11 km
- Kidney Creekord 2len here9.89 km100%total10 km
- Castle Forkord 3len here9.48 km100%total9 km
- Beauty Creekord 1len here8.48 km100%total8 km
- Cinnamon Creekord 2len here8.46 km100%total8 km
- Rock Creekord 6len here8.23 km1%total1142 km
- Shull Creekord 2len here8.05 km100%total8 km
- Meadow Creekord 4len here6.95 km3%total223 km
- Spanish Creekord 1len here6.71 km100%total7 km
- Freezeout Creekord 2len here6.68 km100%total7 km
- Middle Fork Toats Coulee Creekord 2len here6.68 km28%total24 km
- Three Prong Creekord 2len here6.48 km48%total14 km
- Castle Creekord 3len here5.89 km21%total28 km
- Mowich Creekord 2len here5.41 km84%total6 km
- Peeve Creekord 1len here5.21 km47%total11 km
- Frosty Creekord 1len here4.92 km33%total15 km
- Tungsten Creekord 1len here4.91 km100%total5 km
- South Fork Eureka Creekord 1len here4.75 km100%total5 km
- West Fork Ptarmigan Creekord 1len here4.52 km100%total5 km
- Auburn Creekord 3len here4.46 km100%total4 km
- Fire Creekord 2len here4.01 km26%total16 km
- Lake Creekord 6len here3.93 km1%total427 km
- Dollar Creekord 2len here3.92 km34%total12 km
- Grizzly Creekord 1len here3.80 km100%total4 km
- East Fork Pasayten Riverord 1len here3.69 km100%total4 km
- Deception Creekord 2len here3.20 km12%total27 km
- Welcome Creekord 1len here3.16 km100%total3 km
- Bob Creekord 3len here3.09 km38%total8 km
- Diamond Creekord 1len here2.92 km42%total7 km
- Hurricane Creekord 1len here2.88 km9%total33 km
- Johnny Creekord 2len here2.85 km54%total5 km
- Middle Creekord 1len here2.73 km100%total3 km
- Soda Creekord 1len here2.70 km40%total7 km
- Ruby Creekord 3len here2.51 km29%total9 km
- Andrews Creekord 1len here2.50 km100%total2 km
- Stub Creekord 1len here2.41 km100%total2 km
- Basin Creekord 6len here2.30 km2%total92 km
- Big Face Creekord 1len here2.25 km100%total2 km
- Threemile Creekord 3len here2.22 km2%total102 km
- Timber Wolf Creekord 1len here2.18 km100%total2 km
- Elbow Creekord 3len here2.02 km100%total2 km
- Robinson Creekord 5len here1.84 km2%total75 km
- Nickol Creekord 1len here1.77 km85%total2 km
- Dry Creekord 1len here1.75 km35%total5 km
- Larch Creekord 2len here1.71 km7%total26 km
- Lightning Creekord 4len here1.48 km6%total27 km
- Judy Creekord 1len here1.39 km100%total1 km
- May Creekord 1len here1.36 km28%total5 km
- Princess Creekord 2len here1.32 km18%total7 km
- Yellowjacket Creekord 3len here1.30 km3%total50 km
- Cathedral Creekord 1len here1.25 km100%total1 km
- Peepsight Creekord 1len here1.07 km100%total1 km
- Remmel Creekord 1len here1.07 km101%total1 km
- Cathedral Forkord 1len here1.06 km13%total8 km
- North Fork Toats Coulee Creekord 2len here0.89 km5%total18 km
- Bunker Hill Creekord 1len here0.76 km21%total4 km
- Boundary Creekord 1len here0.60 km17%total4 km
- Heather Creekord 2len here0.56 km2%total24 km
- Snehumption Creekord 5len here0.27 km1%total24 km
- Deer Park Creekord 1len here0.09 km3%total3 km
- Skagit Riverord 6len here0.05 km0%total275 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 48.83930, -120.51044
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.