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Darij Grinberg

Occasional hiker in the Black Forest and wherever else I have half a day to spare.

In real life, mathematician at Drexel University (Philadelphia, US).

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Recent Activity

went for a hike

about 15 hours ago

2026-05-03 - Roslags Näsby tpl - Vallentuna

Time

5h35m

Distance

20.1km

Speed

3.6km/h

Ascent

190m

Descent

190m

likes this.

about 8 hours ago

No wild places today, just a lot of beautiful park trails and the occasional runestone. The walk around (the eastern shore of) Vallentunasjön was the obvious highlight, but even the commie blocks here (I started the hike in Roslags Näsby since the 676 bus I was planning to take was cancelled) had some cozy woods around them.

went for a hike

2 days ago

2026-05-02 - Näsby alle - Täby kyrkby

Time

4h24m

Distance

17.7km

Speed

4.0km/h

Ascent

160m

Descent

150m

likes this.

went for a hike

4 days ago

2026-04-30 - Baden-Baden - Bühl-Eisental

Time

4h28m

Distance

16.9km

Speed

3.8km/h

Ascent

660m

Descent

670m

, , and others like this.

4 days ago

This was quite rich in sights. Three picturesque lakes between Baden-Baden and Yburg, including the Waldenecksee with the visible traces of the 2023 rock slide. Yburg itself was a bit of a letdown (the ruin itself is closed, at least currently). The descent from Yburg down to Neuweier was quite demanding

went for a hike

April 26, 2026

2026-04-26 - Baden-Baden - Bad Rotenfels

Time

3h30m

Distance

12.9km

Speed

3.7km/h

Ascent

310m

Descent

380m

, , and others like this.

went for a hike

April 23, 2026

2026-04-23 - Wetter (Ruhr) - Witten

Time

3h11m

Distance

13.4km

Speed

4.2km/h

Ascent

340m

Descent

340m

, , and others like this.

April 23, 2026

I thought this would be a half-urban walk (after all, we're pretty close to the Ruhr agglomeration), but it turned out to be a rather rustic (in many places), varied and not-too-easy hike, with some steep trails (actually MTB trails) where the grip of my soles found some good use.

went for a hike

April 18, 2026

2026-04-18 - Arnsberg - Sundern (Sauerland)

Time

5h10m

Distance

23.1km

Speed

4.5km/h

Ascent

600m

Descent

550m

, , and others like this.

April 18, 2026

Elane (the goth band) has been hyping the Sauerland, so once I had a reason to visit Westphalia, I decided to check out :)



This is not the Black Forest; if there are really wild places around here, I have yet to find them. Most of the towns are a combination of modernity and tradition, which can be interesting

went for a hike

April 13, 2026

2026-04-13 - Sulzbach - Bad Rotenfels

Time

3h38m

Distance

17.0km

Speed

4.7km/h

Ascent

330m

Descent

360m

, , and others like this.

April 13, 2026

This was mostly following the "Saumweg". Not a lot of altitude here (barely over 300m over sea level), but you can tell how you're slowly, gradually entering the Black Forest. Almost all of the trail was easy except for one little segment just south of Waldprechtsweier, which could have easily been bypassed

went for a hike

April 7, 2026

2026-04-07 - Sonthofen Starzlachklamm

Time

5h09m

Distance

16.6km

Speed

3.2km/h

Ascent

310m

Descent

300m

, , and others like this.

April 8, 2026

This was a combination of a rather picturesque mountain hike with a much less exciting walk through town (targeting a restaurant).



The Starzlachklamm (the mountain gorge we descended through) is open in the warmer half of the year and has a 5€ entry fee (despite the sign saying 4€). Part of it was somewhat

went for a hike

April 6, 2026

2026-04-06 - Sonthofen-Rieden - Gunzesried - Sonthofen-Rieden

Time

2h30m

Distance

10.9km

Speed

4.4km/h

Ascent

190m

Descent

200m

, , and others like this.

went for a hike

April 5, 2026

2026-04-05 - Sonthofen-Rieden Abendspaziergang

Time

0h13m

Distance

1.26km

Speed

5.7km/h

Ascent

0m

Descent

10m

, , and others like this.

April 6, 2026

This was a circular walk, but the first bit is missing from the GPS track.

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