Home All TrailsIskar Gorge and Osenovlag Off-Road Loop

Hard

Off-Road

🇧🇬 Bulgaria

Recorded Trail

This track was recorded on the ground by an actual expedition vehicle.

ID: BG-23-01

Iskar Gorge and Osenovlag Off-Road Loop

Added on 29 Sep 2026

Logged by @trailxon25 October 2019

Off-road loop from Svoge in the Iskar Gorge climbing to 1,290m above Osenovlag.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Steep forest tracks; ride in dry weather. Carry tools and a tow strap.

Mission Logs75 waypoints

Distance	Direction & Instruction	Gradient	Gear Gearing suggestions are defensive and based on terrain profile. Always assess real-time conditions and the path ahead personally.
0.0 km	E Start Point	1%	2H
2.0 km	NE Continue on track	1%	2H
4.0 km	E Continue on track	2%	2H
6.0 km	E Continue on track	1%	2H
8.0 km	SE Continue on track	1%	2H

Note: Gear suggestions are based on terrain gradient and are for reference only.

Weather check

At Start

521m

Sampling Micro-Climate...

42.9010, 23.4053

Slide to preview conditions across the entire route • Point: 42.9010, 23.4053 @ 521m

Quick Stats

Distance

75.23 km

Type

Off-Road Trail

Elevation Range

521m - 1422m

Max Elevation

1422 m

Max Gradient

24.9%

17.2%

Highlights

Iskar Gorge
Seven Thrones Monastery
Balkan mountain ridges

Field Radio Protocol

VHF-UHF Communication

Signal Verified

Emergency Simplex

146.520MHz

Team Coordination

446.006MHz

Scout Primary

146.400MHz

Propagation Telemetry

Ridge Line

92%

Gorge Floor

18%

Sector Relay: Sector Alpha Relay• 12-18 KM Range

Regulatory Compliance

VHF/UHF frequencies are for monitoring and emergency coordination only. Transmitting on these bands may require an Amateur Radio License or regional government permits. Check local telecommunications laws before operation.

Technical Analysis

Total Ascent

+1534 m

Total Descent

-1530 m

Ruggedness Index

Terrain Roughness Index

Vertical displacement per km. Typical range: 0 (Smooth) to 100+ (Extreme Mountain).

0 (Smooth)50 (Steep)100+ (Extreme)

40.7

Tortuosity Index

Route Curviness Index

Ratio of actual path to straight line. Typical range: 1.0 (Direct) to 3.0+ (Switchbacks).

1.0 (Direct)2.0 (Winding)3.0+ (Serpentine)

1.92

Gradient Distribution

Flat (0-3%)31%

Moderate (3-8%)32%

Steep (>8%)37%

Surface & Hydrology

Paved47%

Unpaved53%

Surface Spectrum Analysis

Asphalt

47%

Gravel

Dirt Track

47%

Water Crossings

Includes only technical water fords where the vehicle actively enters a stream or riverbed. Permanent bridges are excluded from this count.

Difficulty Analysis

SCORE: 63

Difficulty is determined by a technical multi-vector analysis of elevation profile, surface quality, and topographic intensity.

Resulting CategoryHard

Bounding Box (WGS84)

MIN LAT: 42.856767

MAX LAT: 42.950816

MIN LON: 23.405328

MAX LON: 23.643594

Point Spacing: 22.8 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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