Arc Guiding

Arc Guiding Arc Guiding is all about nature and adventure in wild places. Run by Malcolm O’Reilly.

Based in the Cairngorms National Park, Arc Guiding provides wildlife and bird guiding, ski touring and mountainbike instruction, hillwalking and winter skills.

28/01/2026

Storm Chandra incoming! It's been a busy January so far, and a shoutout to the hire shops, accommodation providers, Cairn Gorm Mountain, SAIS and others who help make great days possible for my clients!
Ellis Brigham
Tiso
The Balavoulin Aviemore
The Fife Arms
Cairngorm Hotel
Cairngorm Mountain Resort

05/01/2026

What's the snow like in the northern Cairngorms just now? Pretty good! ❄️❄️❄️

So, what's ski touring all about? ⛷Done with queuing for packed or subpar pistes?Want to explore new terrain?Ready to ta...
20/12/2025

So, what's ski touring all about? ⛷

Done with queuing for packed or subpar pistes?
Want to explore new terrain?
Ready to take responsibility for your own safety?
Then ski touring might be for you...

⛷ We use specialised boots, bindings and skis to travel uphill under our own steam. 

⛷ We plan routes to minimise avalanche danger and maximise stoke.

⛷ We select enough hiking, skiing and mountaineering gear to stay safe without being weighed down.

⛷ And we navigate our way home when we run out of light and/or hit a blizzard. 

If that sounds like hard work, well, you would be right - it certainly isn't for everyone. There's no ski patrol to bail you out. And sometimes there's more slogging than skiing. 

But if exploring on skis is what you're after and you can be in Scotland this winter, get in touch. Check out my private guiding and instruction options in the Cairngorms: https://arcguiding.com/activities/ski-touring-courses-scotland/

Great MTB riding in world class scenery 🚲The Cairngorms is one of the best places in the UK for MTB riding. We've got mi...
18/12/2025

Great MTB riding in world class scenery 🚲

The Cairngorms is one of the best places in the UK for MTB riding. We've got miles of hand-dug singletrack, remote XC rides, family-friendly riverside trails and a several high-quality trail centres. 

But in this day and age of apps and AI, it's often the real human touch that brings the magic:

⚡Local knowledge of routes, nature and history

⚡Emergency and mechanical backup

⚡Expert tips and coaching

⚡Friendly encouragement and craic

From Lee this summer: "I had an absolute blast with Malcolm on a spectacular day out in breathtaking scenery".

Find out more: https://arcguiding.com/activity/mtb-coaching-scotland/aviemore-mountain-bike/


Winter bird migrants 🐦We know some birds only visit Britain during summer. But some folk are surprised to learn that we ...
15/12/2025

Winter bird migrants 🐦

We know some birds only visit Britain during summer. But some folk are surprised to learn that we also get winter migrants. After all, it's cold and wet here during winter, so what's the attraction, right?

But these species have travelled south from the arctic, rather than north from Africa. Yes, our winters seem cold, wet and miserable. But when the alternative is frozen sea ice, starvation and almost zero daylight, then you can see why flying a bit further south can be a good idea.

In fact, finding winter migrant birds is one of the highlights of my guided birding trips at this time of year. Possible species include snow bunting, whooper swan, long-tailed duck, scoters, fieldfares and redwings.

Waxwings are another good, and colourful example which you can learn about in the blog: https://arcguiding.com/blog/nature/waxwing/

Are your boots up to winter mountain conditions? 🏔️Last year, as I was walking off the hill with a winter skills group, ...
13/12/2025

Are your boots up to winter mountain conditions? 🏔️

Last year, as I was walking off the hill with a winter skills group, I had a wierd feeling in one of my boots. Looked down and realised the sole was hanging off 🙄 Winter isn't kind to boots and it was time to replace mine!

When choosing boots for winter conditions, you need:

🥾 Stiffer midsoles
🥾 Warmer uppers
🥾 Waterproof construction
🥾 Crampon compatibility
🥾 Aggressive sole

Summer hiking boots just aren't up to the job.

The army have a saying: 'look after your feet and they'll look after you'. Choosing the right boots will help you be warmer, faster and more secure in snowy terrain.

One of the first questions you'll need to settle is, do you need B1, B2 or B3 boots?

Check out my guide to choosing winter boots in the blog: https://arcguiding.com/blog/outdoor-gear/b2-b3-boots-winter-mountaineering/

Is your canoe a drag? 🏋️One of the best bits of paddle kit I have invested in this year has been a canoe trolley. The Ct...
09/12/2025

Is your canoe a drag? 🏋️

One of the best bits of paddle kit I have invested in this year has been a canoe trolley. The Ctug Sandtrakz has been a gamechanger at launching, landing and for portages. The SandTrakz wheels look unconventional but they are great over just about any terrain, including sand.

🎁 A great present for paddlers too!

Check out my review here: https://arcguiding.com/blog/outdoor-gear/railblaza-c-tug-sandtrakz-sea-kayak-canoe-trolley-review/ (link in bio)


RAILBLAZA

Skiers! Have you practised using your avalanche probe? 🚨It's a vital bit of avalanche safety kit. Although you might hav...
06/12/2025

Skiers! Have you practised using your avalanche probe? 🚨

It's a vital bit of avalanche safety kit. Although you might have a super-duper transceiver, it's your avalanche probe which (hopefully) pinpoints the victim. It might seem like just a stick, but you need to practise the correct technique to improve chances of a successful rescue. After all, you've only got about 15 mins max...

Check out the blog post at https://arcguiding.com/blog/outdoor-skills/use-avalanche-probe/.

'tis the season for waterproof pants 👖Rain, mud, mist, sleet, snow, wind... the typical British winter throws the lot at...
03/12/2025

'tis the season for waterproof pants 👖

Rain, mud, mist, sleet, snow, wind... the typical British winter throws the lot at us bikers. A great set of waterproof trousers will help you stay warmer and drier as you hit the trails. Check out my review of the Scottish-born Endura MT500 bib pants...

3️⃣ 3 Layer goodness
↩️ Articulated cut
🖐️ Big pockets
🌡️ Side vents
🚴🏽‍♂️ Designed for MTB

Read review at: https://arcguiding.com/blog/outdoor-gear/endura-mt500-waterproof-trousers-review/


Wild wanders in the Scottish Highlands ⛰️🌲Enjoyed a great hike outside Carrbridge in the Cairngorms this week with Marga...
29/11/2025

Wild wanders in the Scottish Highlands ⛰️🌲

Enjoyed a great hike outside Carrbridge in the Cairngorms this week with Margaret. This was the Cairngorms leg of her epic journey to explore her Scottish roots. And coming from San Francisco, the Highlands certainly provided a contrast! Thanks for meaningful chats, a sense of adventure and some great photos 😊

Fully guided bespoke hikes available year-round.
🥾 Professionally qualified
🥾 20 plus years experience
🥾 Designed for your interests and abilities
🥾 Wildlife, cultural history, scenery

For details, see: https://arcguiding.com/activities/guided-walks-scotland/

Learn snow ❄️🤯My private guided ski touring courses all involve a healthy dose of avalanche awareness and safety. It for...
23/11/2025

Learn snow ❄️🤯

My private guided ski touring courses all involve a healthy dose of avalanche awareness and safety. 

It forms a big part of our initial route planning and is often referred to throughout our journey. I expect my clients to speak up and contribute to our group decision-making and I always encourage folks to join me in geeking out over snow crystals and layering en route. 

After all, current best practise recommends continuous observation of the snow, rather than depending on isolated 'snow pits'. 

But if you want to dive deeper (and I recommend you do), get your hands dirty, so to speak:

❄️have a poke about in the snowpack
❄️learn about snow crystals
❄️try a basic snow stability  test
❄️make real tactical decisions
❄️practise companion rescue with transceivers 

(Picture from 24/25 season)

Learn more and book: https://arcguiding.com/activity/ski-touring-courses-scotland/backcountry-ski-cairngorms/ 

Address

Aviemore

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 5pm
Sunday 9am - 5pm

Telephone

+447548272970

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