Where to Find Agates near Cape Cod, MA
13 of the mapped rockhounding spots within 150 miles of Cape Cod report agate. The closest is Middlesborough, about 32 miles out (40 min drive).
Agates are banded chalcedony nodules that survive long after their volcanic host rock rots away, which is why they concentrate in gravel bars, beaches, and glacial deposits far from where they formed.
Every agate spot within 150 miles of Cape Cod
MiddlesboroughPlymouth County, Massachusetts · 32 mi awayPublic access · Agate, Chalcedony
Best spotMt. Hope BayBristol County, Rhode Island · 48 mi awayPublic access · Red Agate, Amethyst, Carnelian +3
Best spotPawtuxetProvidence County, Rhode Island · 56 mi awayPublic access · Agate, Carnelian, Amethyst +1
ProvidenceProvidence County, Rhode Island · 60 mi awayPublic access · Agate, Chalcedony, Jasper +1
Cumberland HillProvidence County, Rhode Island · 64 mi awayPublic access · Agate, Chalcedony, Jasper +1
Best spotPlum Bank BeachLower Connecticut River Valley Planning Region, Connecticut · 112 mi awayPublic access · Agate, Moonstone
AmherstHampshire County, Massachusetts · 121 mi awayPublic access · Agate
Best spotGuilford & East HavenSouth Central Connecticut Planning Region, Connecticut · 130 mi awayPublic access · Agate
FarmingtonCapitol Planning Region, Connecticut · 131 mi awayPublic access · Agate, Prehnite
DeerfieldFranklin County, Massachusetts · 132 mi awayPublic access · Agate
Best spotDeerfield RiverFranklin County, Massachusetts · 133 mi awayPublic access · Jasper, Agate, Chalcedony
ConwayFranklin County, Massachusetts · 134 mi awayPublic access · Agate
TorringtonNorthwest Hills Planning Region, Connecticut · 145 mi awayPublic access · Agate, Prehnite
Types of agates reported near Cape Cod
Counts reflect how many spots in this radius mention each variety.
- Agate12
- Green Agate1
- Red Agate1
Agates near Cape Cod FAQ
Where can I find agates near Cape Cod?+
13 mapped spots within about 150 miles of Cape Cod report agate. The closest is Middlesborough in Plymouth County, roughly 32 miles away (40 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Cape Cod?+
13 of the 13 spots here sit on land mapped as publicly accessible. Casual hand collecting of common rocks and minerals is allowed on most BLM and Forest Service land with limits set by the local field office; national parks and most state parks are closed to collecting. Confirm current rules with the managing agency before a trip.
What is the fastest way to spot an agate in a gravel bed?+
Look for waxy luster and translucence rather than color. Wet the stone or look right after rain: agate glows softly at thin edges when backlit, while jasper and chert stay opaque. Banding clinches it but is often hidden until the stone is cracked or tumbled.
How far from Cape Cod do I need to drive?+
The nearest agate spot is about 32 miles out, and the farthest on this list is 145 miles. Most fall inside a normal weekend day-trip radius.
