Cairn Labs
Cairn Labs · Products · Cairn

Every mountain, every memory.

Track the peaks you've climbed, log each ascent with notes and photos, and watch your personal wall fill in — built for Munros, Wainwrights, Marilyns, Nuttalls, Corbetts, Grahams, Donalds and beyond.

Open Cairn
See it in action

From first open to your first summit.

A minute inside the real Cairn app — from the welcome screen through sign up, verify, subscribe, and logging the peaks you've climbed.

What's inside

Everything you need to keep track of the hills.

No spreadsheets, no scraps of paper. Just a quiet, personal place to keep the mountains you've climbed.

Every list that matters

Munros, Wainwrights, Marilyns, Nuttalls, Corbetts, Grahams, Donalds and beyond — tick off ascents against the lists that UK hillwalking actually runs on.

Log every ascent

Add the date, the weather, who you were with, and a note or two — "clag on the top, sandwiches at the cairn" — plus the photos that made the day.

A wall that fills in

Every summit reveals its own illustrated card. Come back after every walk and watch your personal wall grow, one peak at a time.

Synced everywhere

Create an account and your whole collection backs up and follows you — phone, tablet, or a new device after an upgrade.

How it works

Three steps, every time you're out.

Cairn stays out of the way on the hill and does the remembering afterwards.

01

Pick your list

Browse Munros, Wainwrights, Marilyns, Nuttalls, Corbetts, Grahams or Donalds, search by name, or sort by height or distance from where you are.

02

Log the ascent

Add the date, a note, who came with you, and any photos from the day — takes less time than the walk down.

03

Watch your wall grow

Each summit reveals its own illustrated card. Come back after every walk and watch the collection fill in.

Why Cairn exists

Built by someone who climbs.

Cairn was built by Karyn, an avid hillwalker who has completed over 160 Munros, along with her two cocker spaniels Toffee and Tia. It's developed by Cairn Labs Ltd, a UK software studio building small, focused apps for people who love the outdoors. Cairn is a Progressive Web App — no app store required, it works directly in your phone's browser and can be added to your home screen on iOS and Android.

Pricing

Start free, upgrade when you're hooked.

A 14-day free trial on every plan — cancel any time, no questions asked.

Monthly
£2.99/month

Full access, billed month to month.

Save 30% Annual
£24.99/year

The same access, at just over £2 a month.

FAQ

A few things people ask.

How much does Cairn cost?

Cairn costs £2.99 per month or £24.99 per year, with a 14-day free trial. A card is required to start the trial, and you can cancel any time.

What peak lists does Cairn track?

Cairn tracks Munros, Wainwrights, Marilyns, Nuttalls, Corbetts, Grahams, and Donalds.

Do I need to download Cairn from an app store?

No. Cairn is a Progressive Web App that works directly in your phone's browser and can be added to your home screen on both iOS and Android.

Who built Cairn?

Cairn was built by Karyn, an avid hillwalker who has completed over 160 Munros, along with her two cocker spaniels Toffee and Tia. It is developed by Cairn Labs Ltd, a UK software studio.

Ready to start your wall?

Sign up, pick your first list, and log the first of many summits.

Open Cairn