Niquette Bay: Agate & Chert Rockhounding in Chittenden County, Vermont

Updated June 2026

Niquette Bay is a mapped rockhounding spot in Chittenden County, Vermont. Reported finds include agate, chert, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Permission required
County: Chittenden County
State: Vermont
Nearest road: Muhley Trail
Coordinates: 44.58692, -73.19284

Geology at Niquette Bay

This spot sits on Dunham Dolostone, mapped as dolostone that formed roughly 540 to 510 million years ago. Chert and agate nodules typically form inside carbonate rock like this and weather out as tough, waxy lumps in soils and creek beds.

Mapped unit: Dunham Dolostone
Age: 540–510 Ma (Early Cambrian)
Rock types: dolostone
Elevation: 180 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Niquette Bay

Best months: April to November. Typical highs run 81°F in midsummer and 28°F in midwinter, with winter lows near 11°F.

Climate normals: NOAA 1991-2020 monthlies, S HERO station (6 mi away).

Land & collecting status

Permission required before collecting

Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Niquette Bay

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Niquette Bay.

Across the state line from Niquette Bay

Niquette Bay is close enough to the Vermont border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Niquette Bay FAQ

Where is Niquette Bay?+

Niquette Bay is in Chittenden County, Vermont, at 44.58692, -73.19284. Nearest road: Muhley Trail.

What rocks and minerals can you find at Niquette Bay?+

Niquette Bay is reported to produce Agate, Chert, Jasper.

Is collecting allowed at Niquette Bay?+

Permission required before collecting. Requires landowner or agency permission before any collecting. Do not enter without explicit authorization. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Niquette Bay?+

Most agate and jasper is surface float: bring a spray bottle, a pick or small shovel, and a sturdy bag. Wet stones show their banding and translucence.

When is the best time to visit Niquette Bay?+

The most comfortable months at Niquette Bay are April to November.

How do I get to Niquette Bay?+

Open the directions link to navigate to 44.58692, -73.19284 in Google Maps. The nearest road is Muhley Trail.

More rockhounding in Vermont

See all 29 Vermont spots →

Open Niquette Bay on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.