Chanterelle mycelium lives in the soil year-round; the mushroom you pick is a fruiting body triggered by soil moisture recharge, usually appearing 1–3 weeks after significant rain rather than the day after it. The bars are measured daily rainfall over the past 31 days; the curve is the modelled fruiting response, projected 7 days ahead.
Each source is probed live from this device. If one fails here it will be blank on the map — the service is down or blocked, not the page.
Forest type: old, nutrient-poor spruce and birch forest — classic blåbærgranskog, moss carpet of etasjemose and furumose with blueberry in the field layer. Mixed spruce–birch edges, light gaps, and old path shoulders beat dense dark stands.
Soil and drainage: well-drained podzol on thin moraine over bedrock, acidic humus. In the soil moisture layer you want the driest classes — but within a short walk of the wet ones, because that margin is where fruiting concentrates in a dry spell.
Micro-terrain: gentle slopes, 5–30 m from a trail, around old spruce with visible roots, under moss where the ground is springy rather than sodden. Look at ground level from a low angle — the ochre reads through moss better sideways than from above.
Check before you eat. Falsk kantarell (Hygrophoropsis aurantiaca) has true gills; kantarell has blunt, forked, decurrent ridges and smells faintly of apricot. Get anything you're unsure about checked at a soppkontroll — Norges sopp- og nyttevekstforbund runs free stations across Oslo and Akershus in season.