Ben Oss Mountain
Munro straddling Arrochar Alps and Breadalbane
Linked with neighboring Ben Lui on the southern Highland border, Ben Oss draws walkers for classic ridge routes, corries and proximity to Loch Lomond & The Trossachs National Park.
Ben Oss at a Glance#
How to Get to Ben Oss#
Accessible from the A82 area near Tyndrum or regional glen roads; common routes are described in local Scottish hill guides.
Tips for Visiting Ben Oss#
- Ben Oss is often climbed with Ben Lui - consider linking the two for a full day of Highland walking.
- Start early to allow for time on the ridge and to avoid afternoon weather changes.
- Route choices from the east or west offer different vistas; ask locally for recommended lines after heavy rain.
Best Time to Visit Ben Oss#
Summer provides the most reliable conditions; linking peaks is popular in fair weather.
Summer
Jun-Aug · 6-16°C
Best walking conditions and longer daylight hours.
Autumn
Sep-Oct · 3-12°C
Crisp days and quieter paths but increasingly unpredictable weather.
Weather & Climate near Ben Oss#
Climate
Ben Oss's climate is classified as Subpolar Oceanic - Subpolar Oceanic climate with cool summers (peaking in July) and cold winters (coldest in February). Temperatures range from -2°C to 13°C. Heavy rainfall (2968 mm/year), wettest in January.
Air Quality:
AQI 21
Good
Best Time to Visit
MayJuneJuly
Temperature & Rainfall
Temperature Range
25°
Warmest Month
-12°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -2° - 2° | -7° | 373 mm | overcast | 96% | 12.9 m/s | 0.0 low | 7.4h |
| February | Poor | -2° - 2° | -8° | 244 mm | overcast | 94% | 12.5 m/s | 0.1 low | 9.3h |
| March | Poor | -2° - 3° | -7° | 280 mm | overcast | 92% | 11.4 m/s | 0.3 low | 11.7h |
| April | Poor | 0° - 6° | -3° | 165 mm | overcast | 89% | 9.4 m/s | 0.6 moderate | 14.0h |
| May | Poor | 3° - 9° | 1° | 151 mm | overcast | 86% | 8.4 m/s | 0.9 moderate | 16.2h |
| June | Poor | 5° - 12° | 4° | 146 mm | overcast | 86% | 8.2 m/s | 1.1 high | 17.3h |
| July | Poor | 7° - 13° | 7° | 162 mm | overcast | 87% | 7.8 m/s | 1.0 high | 16.8h |
| August | Poor | 7° - 13° | 7° | 194 mm | overcast | 89% | 8.0 m/s | 0.8 moderate | 14.9h |
| September | Poor | 5° - 10° | 4° | 270 mm | overcast | 91% | 9.3 m/s | 0.5 low | 12.6h |
| October | Poor | 3° - 7° | -1° | 320 mm | overcast | 93% | 10.8 m/s | 0.2 low | 10.2h |
| November | Poor | 0° - 4° | -5° | 325 mm | overcast | 95% | 12.1 m/s | 0.0 low | 8.0h |
| December | Poor | -2° - 2° | -7° | 338 mm | overcast | 96% | 11.5 m/s | 0.0 low | 6.7h |
