River Sava

Description

The Sava River is formed by the Sava Dolinka and the Sava Bohinjka headwaters in northwest Slovenia. It is the longest river of the Balkan region, the main tributary of the Danube River, and forms the northwestern boundary of the Balkan Peninsula with mainland Europe.

Around two thirds of the river’s lower course is navigable for larger vessels, making it an important transport link. In its upper course, however, the Sava is a renowned destination for fly fishermen from around the world, offering pristine conditions and outstanding fishing opportunities.

The riverbed is shaped by gravel flats, deep pools, and narrow rocky passages, creating diverse and challenging water. In the upper sections, water levels are influenced by Lake Bohinj, giving the river a stable flow regime. The Sava’s waters remain crystal clear for most of the season, allowing for excellent visibility and rewarding sight-fishing, except after periods of heavy rainfall.

Fish Species

More than 30 fish species inhabit the Sava River, but the upper course is of special interest to fly anglers. This stretch offers some of the finest salmonid fishing in Slovenia, with exceptional water quality and diverse habitat.

The river supports strong populations of Huchen (Hucho hucho), Brown Trout (Salmo trutta), Rainbow Trout (Oncorhynchus mykiss), and European Grayling (Thymallus thymallus). The rivers of the Sava basin are considered one of the last strongholds of the Huchen, which is why this legendary species is so highly valued by anglers.

Targeting Huchen is a true challenge. Crystal-clear water and significant fishing pressure make this powerful predator notoriously difficult to catch. For this reason, most visiting anglers rely on experienced guides who understand the behavior, seasonal movements, and tactics required to fish for Huchen successfully. Even then, patience and persistence are essential.

In addition to Huchen, the Sava regularly produces exceptionally large trout and grayling, making it a destination that rewards both dedication and skill—and one that is truly worth the journey.

Type of fishing and equipment

Rods and Lines

The Huchen (Hucho hucho) is the largest and most powerful salmonid inhabiting the Sava River, so strong and reliable tackle is essential to stand a real chance of landing this legendary fish. Single-handed rods in 8 to 10 wt are commonly used for streamer fishing, while trout spey rods in 6 to 8 wt are an excellent choice for covering large water and swinging heavy flies efficiently. Sink tip lines and fast-sinking or multi-density shooting heads are essential for presenting large streamers deep and close to the bottom where Huchen often hold.

For brown trout and rainbow trout, 5 and 6 wt rods from 9 to 10 ft are ideal for dry fly and nymph fishing. Floating lines are the standard choice, while sink tip lines can be useful when fishing streamers in deeper runs and pools.

For grayling fishing, 3 to 5 wt rods will do perfectly and allow for delicate presentations on lighter tippets.

Flies

For trout and grayling, pheasant tail nymphs remain a reliable choice, especially with 3 to 4 mm silver or copper beads. Natural colours imitating Blue-winged Olive nymphs are particularly effective throughout much of the season.

Dry fly fishing can be outstanding during hatches, with BWO patterns, emergers, and parachute-style flies producing consistent results for rising trout and grayling.

For Huchen, large streamers are the primary choice. Sculpin imitations, baitfish patterns, and articulated streamers in olive, white, grey, and natural tones, often ranging from 12 to 20 cm, are commonly used to target this apex predator.

Tactic and Strategy

When dry fly fishing for trout and grayling, long leaders up to 15–18 ft are often necessary due to the clear water and cautious fish. Various nymphing techniques can be applied, including European-style methods, which are especially effective in faster water and deeper runs.

Huchen fishing is a game of patience and persistence. Streamer tactics typically involve slow, deep presentations, often using short shooting heads with different sinking rates. Fishing from a distance with a trout spey rod allows anglers to cover large stretches of water efficiently while minimizing disturbance.

Season and regulations

Fishing on the Sava River is managed in zones, each overseen by a local fishing organisation. Allowed methods include fly fishing and spin fishing with artificial flies or lures. Only one rod is allowed per angler, and a landing net is required.

The trout season runs from the 1st of March to the 31st of October, offering excellent opportunities for brown and rainbow trout in the upper river sections.

Huchen (Danube salmon) is only permitted during the winter months, with the season opening on the 1st of December and closing on the 15th of February. This legendary predator requires patience and careful handling, making guided trips highly recommended.

Grayling can be targeted after their spawning period ends around mid-May until the 30th of November, thriving in the clear, fast-flowing waters of the upper Sava.

  Season    Top Season

Capacity

This destination is best enjoyed by 2–4 anglers per guide. For larger groups, an additional guide can be arranged.

Safety

Slovenia is one of the safest countries in Europe — very low crime, clean cities, safe rural areas, and no security concerns for travellers. It’s considered safe at all hours, including for solo visitors and outdoor activities like fishing and hiking.

Sunglasses, hats, sun lotion, mosquito repellent, waterproof clothes and wading staff are recommended. We always provide them, but you might prefer to take your own.

Nearest airports

Ljubljana Airport in Slovenia (40 minutes’ drive to the place of accommodation). Zagreb Airport Franjo Tuđman in Croatia  (2 hours drive to the place of accommodation)

Beyond fishing

Lake Bled is Slovenia’s most popular tourist attraction, and although it is gaining fame across Europe, it still remains relatively unknown compared to major landmarks. It is also the only lake in the country with an island featuring a church in the middle, making it truly unique.

Bled is undoubtedly one of the most picturesque locations in Slovenia, and a great spot for open water activities. A popular activity is walking around Lake Bled, which covers a total distance of 6 km and usually takes about an hour and a half, longer if you stop frequently to enjoy the views.

Along the route, you may come across beautiful swimming spots. Despite being an alpine lake, Bled is fed by springs at the bottom, keeping the water relatively warm and inviting throughout the season.

Gallery fishing on Sava

Please do not hesitate to contact us for bookings, bespoke arrangements and pricing details.

Fly Fishing Destinations in Slovenia