Estes Park, CO

Full Day Guide Hike | Tundra Tours

expansive mountain viewFull Day Guided Hike

Whether you’re an avid hiker or have gotten acclimated this week, we will hike to the outskirts of the main hiking trails and get into the sub-alpine terrain to a mountain lake.  This hike is for those who have experience at elevation or have acclimated by completing two, 6-8 mile hikes this week (or similar), feel comfortable hiking in various terrains (both maintained and un-maintained trails), and are injury-free.  This is considered an “all-day hike”.

This is considered a “all day” hike. This hike will be approximately 8 – 10 hours round-trip, (time estimate includes check-in, driving to/from trailhead, breaks, and approximately 6 hours of actual hiking).  We will hike approximately 10 – 14 miles round trip.

Tour Details

Transportation is provided for up to 4 people.  For groups larger than 4, your group will need to carpool and follow us into RMNP in your own vehicle.  Please ensure you have at least a half tank of gas. Must have regular experience at elevation (ex: live at elevation or go to the mountains 2-4x/month) or have acclimated by completing two, 4-6 mile hikes this week (or similar), feel comfortable hiking in various terrains (both maintained and un-maintained trails), in dry, wet, and/or or snowy trail conditions, and be injury-free.

Hiker Skill Level: Advanced | Looking for a shorter, advanced hike?  Click here

Duration:  8-10 hours

Group Size: Up to 9 adults | Ages 16 and older

Price $ 299 per person | $249 per person for 2 or more


Check Availability & Book This Tour

What’s included
  • Rocky Mountain National Park timed entry included.
  • Wilderness First Aid/CPR certified guide.
  • Trekking Poles
  • Binoculars and / or spotting scope
  • Transportation to and from your location.
  • Snacks
What’s not included
  • Rocky Mountain National Park Pass
  • Gratuity

Additional information

Check-in Details
Please arrive 10–15 minutes early to sign waivers, use the restroom, and review the tour plan.
Weather impacts every outdoor activity, especially in the mountains. Your safety is our top priority. Our guides are trained to assess weather conditions—forecasted, upcoming, or current—and will make the call to cancel or reschedule if conditions are unsafe. Rapid weather changes are common in RMNP, and we rely on experience, park alerts, and real-time data to make the safest decisions for your group. We appreciate your flexibility and trust as we prioritize your well-being.
What to bring
  • Daypack
  • Water bladder or 32 oz water bottle min – electrolytes optional
  • Comfortable hiking socks and hiking shoes (no sandals, crocs, cowboy boots, etc.)
  • Comfortable shorts and/or pants to hike in (jeans not recommended)
  • T-shirt (preferably wicking)
  • Mid-layer (long-sleeve), warmer sweatshirt or jacket and beanie (optional)
  • Sunscreen, sunglasses, hat
  • Snacks
  • Gloves (lightweight)
  • Camera / phone
  • Rain Jacket and Rain Pants (optional)
  • A legal parent or guardian must accompany anyone under 18 years old.

Cancellation Policy

Customers will receive a full refund or credit with 24 hours notice of cancellation. Tours run rain, shine, snow, or sleet. If weather concerns arise, call at least 24 hours in advance to reschedule. Less than 24 hours’ notice will result in a reschedule or gift card.


About Tundra Tours

“Explored by Locals, Guided by Locals” is the motto for how Tundra Tours Owner/Guide, Cheryl Sarnwick, provides the most professional, educational, awe-inspiring, and safest hiking trips in the Estes Valley; the heart of the Rocky Mountains.  In 19 years, Cheryl has explored the mountain tops and mountain lakes that graph the land here and brings a well-diverse background to cater the needs for your group.

Originally from Crystal Lake, IL, Cheryl grew up playing every sport she could.  From baseball, soccer, basketball, and even tennis, Cheryl went on to play Division I soccer as a goalkeeper at Illinois State University and studied Recreation & Parks Administration.  She completed her final internship at the YMCA of the Rockies in Estes Park, CO ,where she fell in love with the mountains.  All of her experiences; teaching Outdoor Education, coaching, servicing as a Recreation Supervisor, cumulated into what is now her own guiding business.

Professional Guides

All of our guides are CPR + First Aid certified.


Tundra Tours operates with authority from the United States Department of the Interior as well as U.S. National Park Service, State of Colorado and the Town of Estes Park.