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How to Choose a Mobile Battery for Mountain Climbing | Points to Avoid Mistakes with Capacity, Output, and PSE Mark

On introductory climbs, you want to avoid your smartphone running out of battery, as it's used to check your current location on map apps, as a backup power source for your headlamp, and as a means of communication in case of unexpected trouble. A mobile battery is essential for this, but when you try to choose one, you might wonder "What capacity do I need..."

2026.09.12

Individual Product Review

How to Choose a Mountain for Beginner Hikers | How to Find Your First Suitable Mountain Using "Mountain Grading"

Once you've gathered the necessary equipment for an introductory hike, the next question is, "So, which mountain should I actually climb?" It's often said that "beginners should start with low mountains," but even low mountains vary in difficulty, and many people may not know what criteria to use to choose, right?...

2026.09.12

Start Climbing

Complete Guide to Writing and Submitting a Hiking Plan (Climbing Notification) | How to Use the Descent Notification and Compass App

Among the safety measures for introductory hikes, "hiking plans (climbing notifications)" are surprisingly often put off. Many people might think, "It seems necessary, but I don't really know how to write or submit one." This article explains why hiking plans are important, what to write, and where to...

2026.09.11

Safety & Risk Management

Complete Guide to Choosing a Hiking Headlamp | Lumen Guidelines and Differences Between Rechargeable and Battery-Powered

Introduction Even on day hikes, if you start very early or finish late, you may need to navigate in the dark. Along with the three essential items (hiking boots, backpack, and rainwear), a headlamp (headlight) is something you'll want to have just as much as trekking poles. "...

2026.09.11

Individual Product Review

How to Choose Hiking Trekking Poles: A Complete Guide | Carbon vs. Aluminum and How to Use Them Without Mistakes

When you've got the "three sacred treasures" (hiking boots, backpack, and rainwear) you need most to start introductory hiking, the next thing you'll want to consider is trekking poles (stocks). There's a wide range of materials and price points, so "which is better, carbon or aluminum?" "Between 10,000 yen and 30,000 yen..."

2026.09.04

Individual Product Review

Complete Guide to Choosing Mountaineering Rainwear | Water Pressure Resistance, Breathability, Price Range, and Care Methods

IntroductionRainwear is the last of the "three sacred treasures" that you should prioritize when starting mountaineering. Just like hiking boots and backpacks, there are many technical terms such as water pressure resistance, breathability, materials, and price range, so it can be confusing to know what criteria to use when choosing. In this article, we will explain how to choose rainwear...

2026.08.28

Equipment & Gear Selection

Complete Guide to Choosing a Hiking Backpack | Selection Criteria for Capacity, Back Length, Price Range, and Fitting Failure Examples

The backpack (rucksack) is one of the "three sacred treasures" that you should prioritize when starting introductory mountaineering. Just like choosing hiking boots, there are many things to consider, such as capacity, back length, and price range, and it can be confusing to know what criteria to use for selection. In this article, we will cover capacity guidelines by use and price...

2026.08.08

Equipment & Gear Selection

Complete Guide to Choosing Hiking Boots | Selection Criteria for Size, Cut, and Price Range to Avoid Mistakes

Hiking boots are the most important piece of gear among the "three sacred treasures" that you should prioritize when starting hiking, as they are directly linked to the safety of your feet. However, when you start thinking about the differences between low-cut, mid-cut, and high-cut boots, how to choose the size, and the average price range, you may get lost on what criteria to use for selection...

2026.07.30

Equipment & Gear Selection

Complete Guide to Hiking Safety | From Getting Lost to Heatstroke and First Aid, Explained for Beginners

Introduction "I want to start hiking, but I'm afraid of getting lost or having an accident." - I think many people feel this way. In fact, it's natural to feel anxious when you hear news about mountain accidents. However, many accidents and incidents can be prevented with proper preparation and knowledge. In this article, we will cover pre-hike...

2026.07.24

Safety & Risk Management

What Do Beginners Need for Mountain Climbing? A Complete Guide to the Essential Gear to Get First (with Estimated Budget)

Introduction "I want to start mountain climbing, but I don't know what I need to get." "I'm worried that buying all the gear will be quite expensive." Many people are probably searching with these feelings in mind. To put it simply, you don't need to buy all the necessary mountain climbing gear from the start...

2026.07.19

Start Climbing