Lochaber Midges in April — Risk, Peak Times, Kit
Effectively no midges. Plan freely. Ground zero for Scottish midges. Wet, sheltered, west-coast — the trinity that drives the biggest populations in Britain. Glen Nevis, the Mamores, Knoydart and the Road to the Isles are all peak-pressure habitat from late May to mid-September.
Current risk
Lochaber in April: None. Effectively no midges. Plan freely.
When they bite
Out of season — no significant biting activity in Lochaber this month. Significant warming in the glens but mornings still cold. The first midges of the season *might* appear in the most sheltered low-elevation spots by the very end of the month in a warm spring.
What to wear
No specific kit needed for midges in Lochaber this month. Build the kit list around weather, daylight and route choice.
Tactical notes
April is the last reliably midge-free month in Lochaber. [Glen Nevis](/glens/glen-nevis), [Glen Coe](/glens/glen-coe), Kinlochleven and the Knoydart passes are clear of biting insects throughout — even at the end of the month in a warm spring, the population is at the trace level in the warmest sheltered spots only.
The traditional first sightings come from: the lower Glen Nevis river meadows on a still warm afternoon, the south-facing shore of Loch Linnhe near Onich, the marshy ground at the head of Loch Eil. These are isolated and not enough to affect any walking, camping or running itinerary. Above 300m, anywhere on the [Ben Nevis](/hillwalking/munros/ben-nevis-beinn-nibheis) approach paths, anywhere in the Mamores, on the Aonach Eagach, in Glen Coe village, on Knoydart — zero midges.
April is the strongest month of the year to base a Lochaber trip on. Long daylight (over 14 hours by month-end), snow still on the high tops, low tourist density compared to May onwards, no insects. Recommended trips: the Mamore Round on a cold clear weekend, the [Sourlies bothy](/bothies/sourlies) / Carnach loop in Knoydart, the Loch Ossian / Corrour bothy weekend, the Aonach Eagach traverse, the Five Sisters of Kintail (technically next region but similar climate).
A late April wild camp by Loch Quoich or at Sourlies is one of the best Scottish camping experiences of the year. No midges, no swarms, no head net — and a peat-bog landscape that will be virtually uninhabitable in eight weeks' time.