Planning a trip to Colorado this summer? Here’s what you need to know.

Altitude Awareness:

The elevation in Colorado can sneak up on people, especially if they’re not use to it. Most cities are already a mile high. Denver, for example, sits at approximately 5280 ft. While neighboring mountain towns such as Frisco and Breckenridge reach over 9000 ft. With popular hiking peaks soaring to elevations above 14,000 feet, it’s important to be aware of how the elevation can significantly affect your breathing, hydration and energy levels.

• Hydration is Key: Aim for at least double your normal water intake for the first couple days, even if you feel fine. The dry mountain air accelerates dehydration.
• Do not skip meals: Eat well, and often. Frequent small meals, especially those with carbs can help maintain energy.
• Listen to your body: Mild symptoms, such as headache, nausea, and fatigue are common during the adjustment period. However, be alert to the signs of altitude sickness (severe headache, confusion, dizziness, and / or vomiting) and have a plan to descend to a lower elevation if needed.
• Avoid Overexertion Early: Day one is not the time to conquer a 14er! Let your body acclimate before diving into strenuous activities. Most people start to feel more normal after 48 – 72 hours of arrival.

Weather Preparedness:

Summer weather in Colorado can be unpredictable. While the days are usually hot and dry, temperatures can drop significantly at night – especially in the mountains. Depending on where you are, daily temperatures can range from 30°F to 90°F.

• Consider The Time of Day: Expect chilly mornings and warm afternoons. Early hikes might require gloves and a jacket, while midday adventures will call for shorts and sunscreen. Wear Layers and Pack Versatile Clothing: Any local will tell you layers are essential in Colorado. Bring a mix of thermals, shorts, rain jackets and hats so you’re prepared for everything from sudden rain to strong sun. Some areas still see snow on the ground, so keep this in mind too.
• Wear Sunscreen and Hats: The UV Rays in Colorado are stronger at higher altitudes, and with Colorado’s 300+ days of sunshine, you’re much more likely to get sunburned, even on a cloudy day. Apply SPF generously and reapply often.

Safety First:

Colorado’s outdoors are stunning, but safety should always come first – especially in remote or high-altitude areas. Here are a few key considerations:

• Fire Safety: Due to Colorado’s dry climate, wildfires are a serious concern, especially in late summer. Always check for current fire restrictions and bans (Colorado Emergency Management) before lighting a campfire. If fires are allowed, keep them small, never leave them unattended, and fully extinguish them before walking away.
• Wildlife Awareness: Animal attacks are rare but encounters with wildlife can happen. Be alert and respectful. Stay at least 100 yards from bears and wolves, and 25 yards or more from other wildlife. If an animal reacts to your presence, you are too close. Back away slowly while facing the animal Consider carrying bear spray or having a noise maker or rocks to throw. Never feed wildlife as it’s dangerous for both animals and humans.
• Stay Connected: Cell service can be limited or nonexistent in many natural areas. Always share your itinerary with someone and check in when possible. Consider carrying a map in case of an emergency.
• Pet Considerations: Colorado is very much a dog friendly state, but many trails and areas do not allow dogs as they can be a risk to both the animals and the pets themselves. If brining pets, keep them leashed and under voice command. Check trailhead guidelines to confirm if dogs are allowed before you go. Bring plenty of water for your pet as the summer heat and high elevation can be tough on them too.

Reservations:

I’d say 90% of all people who travel to Colorado, want to visit at least one iconic landscape or popular outdoor tourist attraction. But here’s the catch – most of the popular spots now require reservations. This includes parks, trailheads, and some scenic roadways. Do your research early, as booking in advance is critical. Reservations can sell out weeks or months ahead of time during peak season.

• Campgrounds & Places to Stay: Campgrounds typically open up bookings 3 to 6 months in advanced of the season and many fill up quickly. Additionally, AirBnB and home rentals are great options, but they also fill up fast so planning early is key.
• Parks and Trailheads: These can get tricky, depending on what you’re trying to see. Some destinations require a combination of timed entry permits, day use or annual park passes, and parking reservations. Reservations are generally on a first come, first served bases.

Choose Your Base:

Something I think people vastly underestimate is how large Colorado is. Some of the most recommended places, like Rocky Mountain National Park, Telluride, Great Sand Dunes, and Aspen are often five to six hours apart from each another. You won’t see it all in one trip–nor should you try to. 

Pick a Region and Explore in Fully. Some recommended ones:

• Front Range: Ideal for quick access to Boulder, Denver, and Rocky Mountain National Park.
• Colorado Springs: Easy access to famous sites and hiking areas
• Summit County: Great for hiking, mountain towns, and lake life
• Southwest Colorado: Telluride, Ouray, Mesa Verde
• Western Slope: Aspen, Glenwood Springs area. Great for hot springs, river rafting and mountain towns.

Whether you're coming to Colorado for the mountains, sunshine, or adventure, a little preparation goes a long way. By staying mindful of the altitude, packing for unpredictable weather, planning ahead with reservations, and respecting the land and wildlife, you'll set yourself up for a safe and memorable trip. 

Colorado truly has something for everyone—no matter your pace, interests, or experience level. Pick your base, soak in the views, and don’t forget to pause and breathe (like literally). The mountains aren’t going anywhere, so there’s always time to come back for more.