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10–120 ft · RI🚗 Directions
Great Swamp WMA and the Queens River corridor in south-central RI — Atlantic white cedar, red maple swamp, pitch pine islands, and mixed hardwood uplands. Historically-significant 1675 battle site. Chanterelles, black trumpets, lobster mushroom after summer rain; chicken-of-the-woods and oyster on red maple and oak; lion's mane in fall on beech wounds. Cedar swamp hosts unusual Russula and bolete species.
Updated Aug 27, 4:21 AM MT
**Great Swamp S-Tier Flash: Late August Peak** This is a full unlock—soil temp locked at 67°F with seven straight days above threshold and moisture pinned at 0.23 VWC average. You're in the sweet spot of late summer fructification where thermal and hydrological conditions collapse into a single narrow window. Edibles are firing across the board (chanterelles, black trumpets, hedgehogs, oysters, wine caps, chicken), but so are your toxic look-alikes (death caps, jack-o'-lanterns, Caesar's and Coker's amanitas), which means ID discipline is non-negotiable right now. The swamp's composite microhabitats—moist soil, woody debris, oaks, aspens—mean you'll see species density across taxonomic breadth that RI rarely delivers. No limiting factors means next rain event could push some choice species into senescence, so timing matters harder than usual. Watch the next 48–72 hours for flush collapse if temps spike above 72°F; this sweet spot is fragile. Polypores and jelly fungi are your longest-play forages. **Hot tip:** Hit the oak stands *right now* for milk caps (Indigo, Weeping, Oak, Peppery) before mid-morning heat—they flush hard in this window and degrade fast.
Generated by Claude (Anthropic) from the structured weather, soil, and phenology data on this page. The LLM can misread edge cases — treat this as a starting hypothesis, not a guarantee. Always verify conditions on the ground before committing to a long drive.
Precip 7d
Log your find on iNaturalist to help the community and get expert ID assistance. Photos, location, and habitat notes all help with identification.
⚠ Road Access Notice
Always verify road access is public before following GPS directions to mountain areas. Many forest roads are seasonal, gated, or require 4WD. Dispersed camping follows USFS/BLM rules (typically 14-day limit). Check ranger district offices for current road and campground conditions.
1.16"
PRISM 4km · thru 08-25
Precip 14d
Observed precipitation from PRISM 4km gridded analysis, sampled at the region centroid through 2026-08-25. Used when no SNOTEL/SCAN station is mapped to this region.2.00"
PRISM 4km · thru 08-25
Soil Temp
67°F
SWE
Snow Water Equivalent — how much water is in the snowpack vs. normal. Declining SWE means snowmelt is adding moisture to the soil.0%
Drought
None
Snowmelt
complete
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
All conditions met (soil 67°F, sustained 7/7 days above threshold, today 0.20 VWC, 7d avg 0.23 — moisture sustained)
Primordia readiness: Cold = mycelium dormant. Activating = soil warming, primordia building. Primed = 5+ sustained warm days at species threshold; fruiting imminent if moisture cooperates. Based on Schmidt 1983 / Mihail 2007.