West Branch Ausable River

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  "name": "West Branch Ausable River",
  "slug": "west-branch-ausable-river",
  "type": "river",
  "status": "minimum",
  "tier": "t2",
  "centroid": {
    "crs": {
      "type": "name",
      "properties": {
        "name": "EPSG:4326"
      }
    },
    "type": "Point",
    "coordinates": [
      -73.6748612,
      44.4406029
    ]
  },
  "parentId": "9f430137-3521-471f-92f4-b04987acf02a",
  "country": "United States",
  "countryCode": "US",
  "stateProvince": "NY",
  "county": "Essex",
  "timezone": "America/New_York",
  "descriptionShort": "The West Branch Ausable flows from the High Peaks through the Adirondack foothills, delivering consistent dry-fly fishing for wild brown trout in a landscape of hemlock and granite.",
  "descriptionLong": "The West Branch Ausable drains the eastern High Peaks of the Adirondacks, dropping from alpine terrain near Gothics and Colden down through a series of ledgy pools and pocket water before joining the main stem near Wilmington. The river here is characterized by cold, clear water that runs fast over slate and granite, creating the kind of broken pocket structure that rewards precise casting and quick reflexes. Elevation ranges from around 615 meters at the headwaters to 165 meters where the branches merge, and that gradient translates into consistent current and good oxygenation—conditions that support a healthy population of wild brown trout.\n\nThis section is primarily a dry-fly river, especially from May through September when mayfly hatches—particularly Hendricksons and sulfurs—draw selective fish to the surface. The water is rarely gin-clear; a slight tint is normal and actually preferable for presentation. Nymphing and small streamer work can be productive during off-peak hours and in deeper pools, but the West Branch's reputation rests on its dry-fly fishing and the quality of its wild trout. Access is straightforward along Route 73 and via several pullouts and parking areas that serve the local guide community. The river is managed for wild trout, and regulations reflect that commitment—catch-and-release is the norm, and the fish, while not large by western standards, are selective and well-conditioned. Spring runoff typically clears by late May, and the best fishing window runs through early fall, when the Adirondack weather turns crisp and the crowds thin. The West Branch rewards anglers who understand pocket water and can read broken current; it's a river that demands accuracy but repays it with consistent action and the particular satisfaction of fooling wild fish in a working landscape.",
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  "verticals": [
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  "waterCharacteristics": [],
  "searchAliases": [
    "West Branch of the Ausable River",
    "West Branch Au Sable River",
    "Ausable River West Branch"
  ],
  "tags": null,
  "metadata": {
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        "stateProvince": "NY"
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      "confidence": "high",
      "searchQuery": "West Branch Ausable River NY United States fishing"
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    "geminiReasoning": "One of the most famous and popular trout fishing rivers in the Adirondacks and New York State.",
    "geminiConfidence": "high",
    "gnisFeatureClass": "Stream"
  },
  "nhdFeatureId": "115352907",
  "gnisId": "00970755",
  "gnisName": "West Branch Ausable River",
  "reachCode": "04300104000050",
  "hucCode": "04300104",
  "nhdPlusId": "60000200053995",
  "streamOrder": 5,
  "nhdFcode": 46006,
  "nhdFtype": 460,
  "drainageAreaSqKm": 611.21689984,
  "slopePercent": 0.0125735878181818,
  "elevationMin": 164.88,
  "elevationMax": 615.07,
  "lengthKm": 54.43128609,
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  "source": "seed",
  "pipelineId": 229660,
  "createdAt": "2026-06-15T17:08:47.121Z",
  "updatedAt": "2026-06-15T17:09:53.356Z",
  "destinationSpecies": [],
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