The Tota Ascent: Climbing to Colombia's Highest Lake

Lago de Tota is the largest lake in Colombia and it sits at roughly 3,015 metres above sea level — higher than almost anywhere a European cyclist trains, and high enough that the first pedal stroke tells you exactly where you are. This is the climb our riders talk about afterwards. Here is what it actually asks of you.

The stage we build around it, the queen stage of The Boyacá Traverse, runs 51.6 kilometres with 1,004 metres of climbing from the shore of the lake up to the Alto del Crucero. Those numbers look modest on paper. They are not modest at this altitude, and the paper does not mention the wind.

01 — The numbersWhat the profile actually says

• Distance: 51.6 km for the full stage
• Elevation gain: +1,004 m
• Altitude range: roughly 3,000 m at the lake, climbing to the Alto del Crucero
• Surface: paved throughout, with the usual Andean caveats — patched sections, gravel washed into corners after rain
• Where it sits: stage four of six, by design

The reason the stage lands where it does in the itinerary is physiological, not dramatic. By day four your body has had three days between roughly 2,500 and 2,900 metres to begin adapting. Riding this on day one from a sea-level flight would be a different and much worse experience.

02 — The altitudeWhy a 5% gradient feels like 8%

At 3,000 metres the air holds around two-thirds of the oxygen you get at sea level. Your body compensates the only way it can in the short term: your heart rate climbs, your breathing rate climbs, and your sustainable power drops. The rule of thumb most riders find true in their legs is that the same gradient costs noticeably more than it would at home, and that the cost grows the longer you stay above threshold.

The practical consequence is simple and hard to accept: you have to climb slower than you think you should. Riders who attack the lower slopes at their normal power almost always pay for it in the last third. The ones who ride the first twenty minutes at a pace that feels embarrassingly easy tend to arrive at the top having enjoyed it.

You don't beat altitude with fitness. You beat it with patience — and patience is a skill you practise, not a quality you have.

03 — The lakeWhat you are riding around

Tota is not a scenic backdrop that happens to be near a climb. It is the reason the landscape looks the way it does. The lake fills a high basin ringed by páramo, and the slopes above it are terraced with the long green onion crop that the region is known for — a smell you will notice before you see it, particularly around Aquitania on the eastern shore.

On the southern side lies Playa Blanca, a white-sand beach at over three thousand metres, which is exactly as strange in person as it sounds in a sentence. Our fifth stage runs the lake shore from Aquitania through Tota, Cuítiva and Iza down to Firavitoba, and it is the day riders most often describe as the one they did not expect.

04 — How to train for itFrom sea level, realistically

You cannot replicate altitude at home without a tent or a mountain. What you can do is arrive with the endurance base that lets you ride well below your ceiling for several hours, because that is the entire game up here.

• Build long, steady rides. Three to four hours at conversational pace, repeated on consecutive days, is far more useful preparation than interval work.
• Practise back-to-back days. The traverse is six stages. Fatigue accumulates differently at altitude than it does at home.
• Train your patience, not just your legs. Get comfortable riding a climb at an effort that feels too easy. That is the pacing you will need.
• Get your gearing right. Bring more range than you think you need. A 34×32 is a reasonable floor; lower is not embarrassing, it is smart.
• Arrive early if you can. Even two or three extra days on the altiplano before the tour makes a measurable difference.

05 — What we do about itThe support side of the equation

Every stage runs with a bilingual lead guide and a local rider-mechanic — both on bikes, in the group — a lead motorcycle ahead, and a support van at the rear. That configuration exists precisely for a climb like this one: if the altitude is not agreeing with you on a given day, stepping into the van is a normal decision, not a failure, and the rest of your week is not compromised by pushing through something you should not have pushed through.

We also read the weather from the páramo rather than from a phone. Conditions above three thousand metres turn quickly, and the difference between a memorable day and a miserable one is usually a decision made twenty minutes before the change arrives.