The short answer
In the Aseer highlands around Abha, fog and rain arrive with the Suhail autumn window from about late July and recur into winter, cutting visibility in minutes and making stone trails slippery. Access is the daily variable: check the National Center for Meteorology colour alert for Asir, confirm same-day cable-car and park status at Al Soudah and Habala, and treat a red thunderstorm or flash-flood alert as a hard 'do not go' for upland trips.
Key takeaways
- In the Aseer highlands fog and rain are the rule during the Suhail autumn window (from about late July) and into winter, so plan every mountain day around sudden low visibility.
- Check the National Center for Meteorology colour alert for Asir before leaving; orange means reconsider outdoor exposure and red (thunderstorm or flash flood) means do not go.
- Jabal Soudah, Habala and the Al Soudah cable cars run seasonally around the Soudah Peaks redevelopment — confirm same-day status with the operator rather than assuming.
- Every main site sits on paved but steep, winding escarpment roads where fog can cut visibility below roughly 10 metres; use low beams and hazards, avoid switchbacks after dark and never detour through a wadi on a closed road.
- In wet weather choose the level Fog Walkway in Abha or Tanomah's family Ridge Walk over technical scrambles such as Jabal Abyad, and set a visible-turnaround rule before you start.
When fog and rain actually 'close' the Aseer highlands
The highlands around Abha sit at roughly 2,000–3,000 metres, and weather here is not a background detail — it is the variable that decides whether a site is open, safe and worth the drive. The fog-and-rain window that locals associate with autumn begins with the appearance of the Suhail star, which agricultural researcher Abdullah Al-Moussa dates to about July 29 in Aseer; the season is even nicknamed 'Suhail's Ghutat' for its frequent fog and rain. That window stretches into the cooler months, when dense morning fog on the escarpment and nights near freezing at the peaks are routine.
A second wet influence comes from summer monsoon clouds rolling off the Red Sea escarpment, plus shorter rains in late winter and spring. The practical takeaway is that fog is never a 'sometimes' event here: at Al Soudah, Habala or the Fog Walkway the view can go from open valley to a wall of white within minutes. Because the current season (early September) is exactly this transitional, foggy stretch, treating fog as the default rather than the exception is the correct mindset.
Which sites stay reachable — and which depend on the day
Abha itself sits near 2,200 metres and remains fully accessible in fog and rain; the question is the outlying mountain sites. Jabal Soudah (Al Soudah), widely cited as the Kingdom's highest point near 3,015 metres, lies inside Asir National Park. Its viewpoint roads, picnic terraces and marked walking paths along the ridge generally stay open year-round, but the area is mid-redevelopment under the Soudah Peaks project, and the cable cars that drop toward Rijal Almaa have been operating seasonally around construction — confirm operating days locally or through your hotel before you build a day around a ride.
Different sites respond differently to weather. The Fog Walkway in Abha's Al Dabab neighbourhood is a level, maintained route of about 7 kilometres where the clouds are the attraction, so it remains a sensible wet-weather option. Habala's cliff-hanging village is reached by a cable car that runs in season; in thick fog or lightning such aerial operations can be suspended, and outside its season you view the village from the rim. In every case, a call or message to the operator before driving is what separates a productive day from wasted hours at a shut gate.
Reading the official alerts: yellow, orange, red
Saudi Arabia's National Center for Meteorology (NCM) publishes colour-coded early warnings that cover the Asir region. The alerts that matter for mountain access are fog and thunderstorm or flash-flood warnings. NCM has issued an orange fog alert for Asir districts such as Al Namas, Balqarn and Tanomah (visibility down to 1–3 km), and has raised red alerts covering Asir for thunderstorms with flash floods and reduced visibility. As a working rule, yellow means be alert, orange means be prepared and reduce outdoor exposure, and red means danger — for an upland trip treat orange-plus as 'reconsider' and red as 'do not go'.
Saudi Civil Defense guidance that accompanies these alerts is blunt: avoid open areas during thunderstorms, stay away from trees and tall metal structures, shelter indoors or in a vehicle, and — critically in the mountains — stay away from wadis, stream beds and low crossing points where flash floods arrive quickly. For orientation, in an emergency in Asir contact Civil Defense at 998 (the number is 911 in Makkah, Madinah, Riyadh and the Eastern Province) and the Saudi Red Crescent ambulance at 997 or the Asfeeni app. This is general public-safety information for Saudi Arabia, not legal or site-specific advice; check the live NCM map and the operator's own status before you go.
Driving the escarpment switchbacks in fog and rain
Every principal site — Al Soudah, Habala, Rijal Almaa, Tanomah — is reached on paved but steep, winding mountain roads, and none needs a 4x4 for the standard route. The escarpment roads climb through tight hairpins: the Al-Namas/Altuwair ascent, for example, gains more than 1,600 vertical metres over roughly 17 kilometres with sustained double-digit gradients and, on some upper sectors, no protective outer barrier.
The hazards on these roads are specific: sudden fog that can cut visibility below about 10 metres in under a minute, brake overheating on long descents, and rockfalls loosened by seasonal rains. Recommended practice is low-beam headlights (never high beams in fog, which glare back) plus hazard lights for visibility, low gear to control speed on descent rather than riding the brakes, extra following distance and — given how fast conditions change — avoiding the switchbacks after dark altogether. If you meet a closed road, do not detour through a wadi crossing; turn back and treat the road closure as a hard stop.
Choosing the right trail for a wet day
Route choice is the biggest controllable safety decision. In wet conditions a level, maintained surface beats a technical climb. The Fog Walkway at Abha is about 7 kilometres, easy, with seating and a surfaced path — ideal when mist is heavy. Tanomah's Ridge Walk is a short, family-grade loop that still delivers mountain scenery. The established Jabal Soudah trail (starting near the Al Souda village off Highway 214) is moderate and doable for fit hikers, but it combines steep ascents with slippery rocky sections when wet, and summit fog removes the pay-off of the climb.
Technical options such as the Mommah and Manaa climbs above Tanomah and Jabal Abyad's loose-quartz scramble near Bisha should be left for dry, clear forecasts — slippery rock, loose rubble and a wall of fog are a poor combination, and several of the harder routes are best done with a local guide in any season. Set a visible-turnaround rule before you start: if visibility drops below roughly 100 metres, rain turns heavy or the wind rises, reverse along your own route rather than pushing toward a summit you cannot see.
Put it into practice
Fog-and-rain access checklist: go or no-go before an Aseer mountain day
Work through these checks in order before every upland trip in Aseer during the foggy, rainy season. If any critical item fails or you have genuine doubt, postpone the trip and repeat the check in the morning — a closed day is cheaper than a rescue.
- Check today's NCM alert level for Asir (yellow/orange/red). A red or orange alert with thunderstorms and flash floods means cancel the upland trip.
- Confirm same-day operating status with the site operator or your hotel: do the Al Soudah or Habala cable cars run today, and do they suspend rides in thick fog or lightning?
- Plan the drive timing: go mid-morning when fog usually lifts, and avoid the escarpment switchbacks after dark.
- Pack two layers plus a waterproof shell and a warm mid-layer; nights near the peaks can approach freezing in winter and it is cool even in foggy summer.
- Fill the fuel tank and charge your phone; coverage is patchy in the deep wadis, so tell someone your route and expected return time.
- Do a 15-minute 'sit test' at the trailhead: if visibility is under about 100 metres, the wind is rising or rain is intensifying, close the trip and reverse.
- In wet weather pick an easy maintained route (Fog Walkway, Ridge Walk) over technical scrambles; save slippery rock and loose rubble for a dry, clear forecast.
- Carry water and a headlamp; avoid wadi floors and dry stream crossings when storms are forecast — flash floods arrive fast.
- If a road is closed, turn back rather than detouring through a wadi. Emergency contacts in Asir: Civil Defense 998, Saudi Red Crescent 997/Asfeeni.
Questions people ask
When is the foggiest or rainiest period in Aseer, and what changes in September?
The sustained fog-and-rain 'Suhail' window in Aseer opens from about late July and stretches into the cooler months; the autumn period is nicknamed 'Suhail's Ghutat' for its frequent fog and rain. Additional fog and showers come from summer monsoon clouds off the Tihama escarpment and from shorter late-winter and spring rains. September is the transitional stretch: fog on the ridges becomes a frequent early-morning phenomenon and visibility can drop within minutes, so it is safer to treat fog as the norm for this month.
Which Aseer mountain sites remain reachable in rain, and which close?
Abha and its Fog Walkway in the Al Dabab neighbourhood stay accessible in wet weather because it is a level, maintained path. Roads to the viewpoints and the ridge walking paths of Jabal Soudah generally operate year-round, while the cable cars at Al Soudah and Habala run seasonally and can suspend rides in thick fog or lightning; confirm status with the operator on the day. The exact list of closures depends on current NCM alerts and each operator, so verify before you drive.
What do the yellow, orange and red NCM alert levels mean for mountain access?
These are early-warning levels from Saudi Arabia's National Center for Meteorology. Yellow means be alert and monitor the forecast; orange means be prepared and reduce outdoor activity (for example, fog cutting visibility to 1–3 km); red means danger, typically thunderstorms, flash floods and sharply reduced visibility in the mountains. As a working rule for Aseer: at orange, reconsider your upland plans; at red, do not go into the mountains and stay away from wadis and stream crossings.
Can I hike the Fog Walkway or the Jabal Soudah trail in wet weather?
The Fog Walkway in Abha is a flat, maintained route of about 7 kilometres and stays reasonable in mist as long as visibility is adequate and there is no lightning. The Jabal Soudah trail (trailhead near Al Souda village off Highway 214) is moderate but includes steep ascents and slippery rocky sections, so it becomes riskier in rain, and summit fog removes the reason for the climb. In wet weather favour easy maintained routes and leave technical climbs for a dry, clear forecast.
What should I do if fog suddenly closes in while driving the escarpment switchbacks?
Slow down, switch to low-beam headlights and turn on your hazard lights (high beams are useless and glare back in fog), and increase the gap to the vehicle ahead. On a descent shift to a lower gear to control speed and avoid overheating the brakes. If visibility drops below roughly 10 metres or a road is closed, pull over safely with your hazards on and turn back; never detour through a wadi crossing, and avoid the switchbacks altogether after dark.
Which emergency number should I call around Abha and Aseer?
General emergency numbers for Saudi Arabia apply in Aseer: Civil Defense at 998 (the unified number is 911 in Makkah, Madinah, Riyadh and the Eastern Province), and the Saudi Red Crescent ambulance at 997 or via the Asfeeni app. This is general reference information for Saudi Arabia; confirm current channels and follow the dispatcher's instructions. During fog and storms, follow Civil Defense guidance and stay away from open areas, trees and wadi floors.
Sources and further reading
Sources were checked when this page was generated. Confirm changing dates, rules and prices with the original publisher.
- NCM issues red alert amid forecast of thunderstorms and flash floods in several Saudi regionsSaudi Gazette
- Asir Travel Guide: Saudi Arabia's Mountain SouthwestExplore Saudi
- Road to Altuwair: Navigating the 9.57% Gradient in the Asir MountainsDangerous Roads
- Autumn Weather: Fog and Rain Capture the Beauty of Nature in AseerOANA News (Saudi Press Agency)
- The best hikes in Aseer ProvinceListmag (Saudi Tourism Authority content)
- Aseer Tours: Mountain Experiences and HikesVisit Saudi (official tourism site)