Disclaimer
Last updated: July 24, 2026
General Disclaimer
The information provided by OutRail (“https://www.outrail.com”) is for general educational and informational purposes only. Everything on the site is offered in good faith, but we make no representation or warranty of any kind, express or implied, about the accuracy, completeness, or reliability of any calculator result, guide, or museum entry. Hiking and the backcountry carry inherent risks, and using the site is entirely at your own risk.
Not Professional Guiding, Medical, or Safety Advice
OutRail is not a guiding service, a mountain-rescue authority, a medical provider, or a park agency. The hiking-time, calorie-burn, backpack-weight, water-needs, trail-difficulty, and daylight-turnaround calculators, along with every article and Learn entry, are educational tools that describe standard formulas and general outdoor knowledge. They are not a substitute for current trail conditions, a qualified guide, a doctor, or your own trained judgement in the field.
Do not treat a hiking-time estimate as a promise of a safe return, a water figure as a hydration prescription, or a difficulty rating as a guarantee that a trail is within your ability. If a decision involves your safety, your health, or an unfamiliar or serious objective, defer to current conditions, official sources, and a qualified professional before you act on anything you read here.
Estimates, Not Exact Figures
The calculators use widely accepted formulas and simplifying assumptions — Naismith’s rule and Tobler’s function for time, the Pandolf equation for energy cost, per-hour baselines for water, and the Shenandoah rating for difficulty. They are only as good as the numbers you enter and the assumptions behind them. Real outcomes vary with terrain, footing, weather, altitude, your fitness and experience, pack weight, and rest stops. Use every result as a planning aid, not a guaranteed outcome, and always build in a margin.
Backcountry and Safety Risk
Hiking, backpacking, and mountaineering involve real hazards — weather, terrain, exposure, water crossings, wildlife, injury, and getting lost or benighted. Nothing on OutRail tells you whether a specific trail is safe for you on a given day. Always:
- Check current trail conditions, closures, and the weather forecast before you set out.
- Carry the ten essentials, including navigation, water treatment, and a headlamp on every hike.
- Leave your route and expected return time with someone reliable.
- Turn back when conditions, daylight, or your body tell you to, regardless of the goal.
- Treat calculator figures as starting points and add your own safety margin.
For any question about whether a route, a pace, or a plan is right for you, defer to current conditions, official land-management guidance, and your own judgement over anything this site produces.
No Warranty
OutRail expressly disclaims all warranties, whether express, implied, statutory, or otherwise, including implied warranties of merchantability, fitness for a particular purpose, and non-infringement. We do not warrant that our tools, calculations, or information are error-free, accurate, or complete, or that the website will always be available without interruption.
Limitation of Liability
To the maximum extent permitted by applicable law, in no event shall OutRail be liable for any direct, indirect, punitive, incidental, special, or consequential damages — including injury, loss, or any harm arising from a hiking or backcountry decision — related to your use of, or reliance on, our tools, guides, and information.
User Responsibility
By using OutRail, you acknowledge and agree that:
- You will use your own judgement, and consult current conditions and qualified sources, when applying anything here to your own hike.
- You will double-check calculator inputs — distance, elevation gain, weights, temperatures, and times — before relying on a result.
- You are responsible for the routes you choose and the decisions you make in the field.
- You assume all risks associated with hiking, backpacking, and mountaineering and with the use of our tools and information.
External Links & Advertising
The site may link to third-party websites and displays advertisements from networks including Google AdSense. We do not investigate, monitor, or endorse the content of linked sites or the products in ads, and their presence is not a recommendation. Any purchase or reliance on a third party is between you and that third party.
Changes to This Disclaimer
We may modify this disclaimer at any time. Changes are posted on this page with an updated revision date, and continued use of the site indicates acceptance of the current version.
Contact Us
If you have any questions about this Disclaimer, please visit our Contact page or email us at support@outrail.com.