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ČeštinaMushrooms in La Forteresse
Today, wood blewits are the best bet around La Forteresse (85/100, very favourable). Département: Isère · altitude 590 m.
La Forteresse is a municipality (338 inhabitants), at an altitude of 590 m (département: Isère, 38). On Thursday 5 November 2026, conditions are favourable for: wood blewits (85/100), black trumpets (73/100), hedgehog mushrooms (65/100) and saffron milk caps (60/100). For wood blewits, conditions deteriorate over the next 8 days. Terrain: likely trees around the municipality (sweet chestnut and sessile oak), slightly acidic soil. Weather: 1 mm of rain fell over the last 8 days, 17 mm of rain is expected over the next 7 days, minimum temperatures range from 2 to 10 °C.
Ceps
UnlikelyChanterelles
UnfavourableMorels
UnfavourableHedgehog mushrooms
FavourableBlack trumpets
FavourableFunnel chanterelles
UnlikelyWood blewits
Very favourableSaffron milk caps
FavourableParasol mushrooms
Possible8-day forecast
Forests and soils around La Forteresse
The terrain
- Likely trees
- sweet chestnut, sessile oak
- Soil
- slightly acidic (pH 6.3), balanced
- Slope
- 20° · north-facing
Habitat by species
| Ceps | 76 | large forest of suitable host trees: sessile oak, silver fir, Norway spruce |
| Chanterelles | 46 | large forest of suitable host trees: sessile oak, birch, sweet chestnut |
| Morels | 50 | large forest of suitable host trees |
| Hedgehog mushrooms | 88 | large forest of suitable host trees: sessile oak, silver fir, Norway spruce |
| Black trumpets | 82 | large forest of suitable host trees: sessile oak, sweet chestnut, beech |
| Funnel chanterelles | 18 | large forest of suitable host trees: silver fir, birch, Norway spruce |
| Wood blewits | 86 | large forest of suitable host trees: sessile oak, silver fir, sweet chestnut |
| Saffron milk caps | 77 | large forest of suitable host trees: silver fir, Norway spruce |
| Parasol mushrooms | 95 | large forest of suitable host trees |
Recent and forecast weather
| Day | Min | Max | Rain | Air humidity | Soil moisture |
|---|---|---|---|---|---|
| Thu 29 | 7 °C | 12 °C | 0.0 mm | 78 % | 24 % |
| Fri 30 | 6 °C | 14 °C | 0.0 mm | 79 % | 23 % |
| Sat 31 | 5 °C | 12 °C | 0.0 mm | 80 % | 22 % |
| Sun 1 | 3 °C | 7 °C | 0.0 mm | 79 % | 22 % |
| Mon 2 | 2 °C | 6 °C | 0.0 mm | 79 % | 21 % |
| Tue 3 | 3 °C | 9 °C | 0.0 mm | 73 % | 21 % |
| Wed 4 | 2 °C | 8 °C | 0.0 mm | 78 % | 20 % |
| Thu 5 forecast | 3 °C | 12 °C | 0.7 mm | 80 % | 20 % |
| Fri 6 forecast | 6 °C | 9 °C | 7.6 mm | 90 % | 25 % |
| Sat 7 forecast | 3 °C | 10 °C | 0.0 mm | 89 % | 28 % |
| Sun 8 forecast | 2 °C | 10 °C | 0.0 mm | 90 % | 26 % |
| Mon 9 forecast | 8 °C | 14 °C | 0.3 mm | 86 % | 26 % |
| Tue 10 forecast | 9 °C | 15 °C | 2.1 mm | 83 % | 26 % |
| Wed 11 forecast | 10 °C | 15 °C | 1.3 mm | 87 % | 28 % |
| Thu 12 forecast | 9 °C | 18 °C | 5.4 mm | 90 % | 40 % |
Temperatures corrected for the altitude of the municipality. Source: Open-Meteo.
Going further
Mushrooms in Isère · All départements · Ranking of départements · How the score is calculated
Neighbouring municipalities
Moirans · Tullins · Rives · La Côte-Saint-André · Vinay · Apprieu · Saint-Étienne-de-Saint-Geoirs · Renage