Introduction
This manual provides detailed instructions for the proper setup, operation, and maintenance of your Naturehike Opalus Tunnel Backpacking Tent. Designed for 3 persons, this lightweight tent features a durable 20D nylon construction with a PU4000mm waterproof rating, UV 50+ sun protection, and a spacious vestibule. Please read these instructions carefully before use to ensure a safe and enjoyable camping experience.
The Naturehike Opalus Tunnel Tent is suitable for 4-season use, offering protection against wind, rain, and snow when both inner and outer tents are combined. For warmer weather, the inner tent can be used alone for enhanced ventilation.
Package Contents
Before beginning assembly, verify that all components are present:
- Tent Fly & Inner Tent
- Tent Poles (3 pieces, 7001 aluminum)
- Storage Bag
- Wind Ropes (6 pieces)
- Ground Nails/Stakes (19 pieces, 7001 aluminum)
- Footprint (Ground Mat)

Setup Instructions
Follow these steps to properly set up your Naturehike Opalus Tunnel Tent:
- Prepare the Site: Choose a flat, clear area for your tent. Lay out the footprint (ground mat) to protect the tent floor.
- Unfold the Tent: Lay the tent body (inner tent and rainfly attached) flat on top of the footprint.
- Assemble Poles: Connect the sections of the tent poles. The Opalus tent uses 3 poles.
- Insert Poles: Slide the assembled poles through the sleeves on the tent body. The poles are color-coded for easy matching to the corresponding sleeves.
- Secure Poles: Insert the ends of the poles into the grommets or pin-and-ring systems at the base of the tent.
- Stake Down Tent: Secure the corners of the tent and the guylines to the ground using the provided stakes. Ensure the tent is taut to maximize stability and wind resistance.
- Adjust Vestibule: Attach the vestibule to the tent body and stake it out, ensuring it is taut and provides ample storage space.
- Final Adjustments: Adjust all guylines and stakes to ensure the tent is pitched securely and evenly.

Operating Instructions
Ventilation
The Naturehike Opalus Tunnel Tent is designed with excellent ventilation features to minimize condensation and ensure comfort. The rear of the rainfly can be opened to allow for increased airflow. The tent also features a double-door design, providing cross-ventilation and easy access.


Vestibule Usage
The large vestibule provides significant storage space for backpacks, camping tables, chairs, and cookware, keeping your sleeping area clear and organized. It also offers a sheltered area for cooking in adverse weather conditions.

Internal Features
The tent includes internal storage pockets for small items and a tent hook for hanging a lantern or other lightweight accessories.

Maintenance
Cleaning
To clean your tent, hand wash with mild soap and water. Do not use harsh detergents or machine wash, as this can damage the waterproof coating and fabric. Rinse thoroughly and allow to air dry completely before packing away.
Storage
Ensure the tent is completely dry before packing to prevent mildew and odors. Store in a cool, dry place away from direct sunlight. Avoid compressing the tent for extended periods, as this can affect the loft of the fabric and its waterproof properties.
Waterproofing
The tent features a PU4000mm waterproof layer and silicone-coated nylon. Over time, the waterproof coating may degrade. You may reapply a suitable water repellent spray or seam sealer to maintain optimal waterproofing, especially on seams.

Troubleshooting
- Condensation: If condensation occurs, ensure proper ventilation by opening the rear rainfly vent and utilizing the double doors. Choose a well-drained campsite.
- Tent Not Taut: Re-adjust stakes and guylines. Ensure poles are fully seated in their grommets. Tunnel tents require proper tensioning for stability.
- Water Leakage: Check for any tears or punctures in the fabric. Ensure all zippers are fully closed. Consider reapplying seam sealer to critical seams if leaks persist after extended use.
- Difficulty with Pole Insertion: Ensure poles are fully assembled and aligned. Do not force poles; gently guide them through the sleeves.
Specifications
| Feature | Detail |
|---|---|
| Model Number | NH20ZP001 |
| Occupancy | 3 Person |
| Seasons | 4 Season |
| Tent Design | Tunnel |
| Inner Tent Dimensions | 93(L) x 75(W) x 43(H) inches |
| Outer Layer Dimensions (with vestibule) | 165(L) x 83(W) x 43(H) inches |
| Packed Size | 23.5(L) x 7(W) x 7(H) inches |
| Weight | 6.5 lbs (including tent and all accessories) |
| Rainfly Material | 20D Rip-stop Nylon with Silicone Coating |
| Water Resistance Technology | PU4000mm |
| UV Protection | UV 50+ |
| Inner Tent Material | 20D Nylon Mesh |
| Tent Poles | 7001 Aluminum (3 poles) |
| Number of Doors | 2 |
| Number of Vestibules | 1 |
| Number of Stakes | 19 |
| Number of Guylines | 6 |

Warranty Information
Naturehike provides a 30-day money-back guarantee for any reason and a 12-month warranty for quality-related issues. For warranty claims or questions, please contact customer support.
Customer Support
For further assistance, product inquiries, or support, please contact Naturehike customer service. Refer to your purchase documentation for specific contact details or visit the official Naturehike website.
Manufacturer Contact Information: Dallas, TX 75241, US