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This week's Diable River Fish Index: 
 

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Week of August 29 (DRFI 3.0) 

The hot temperatures forecasted for the early part of this week, coinciding with very low water levels in the Diable, will combine to significantly slow trout action.  Anticipated cooler temperatures and showers in the latter part of the week should provide some relief and perhaps re-establish conditions heading into the Labor Day long weekend.  So expect the latter part the week to offer better fishing conditions.  Morning water temperature readings on the Diable will quickly rise to around 20C with some sections expected to spike at around 25C on the surface by afternoon.  Last week saw a respectable black and olive stonefly hatch as water levels continued to drop. Otherwise there are sporadic hatches with nothing dominant. The hot temperatures will also contribute to slowing fishing action for brook and rainbow trout at our outfitter lakes. Local stillwater action on bass and pike remains good to excellent.
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Week of August 22 (DRFI 3.5) 

Cooler night temperatures and the forecasted precipitations early in the week will continue to lower water temperatures and raise water levels throughout the area including the Diable.  Morning water temperature readings on the Diable are consistently around 15C with some sections expected to continue reaching slightly above 20C on the surface by afternoon, especially on the warmer sunnier days.  There are moderate to light hatches with nothing dominant.  With ideal conditions on the Diable and given some external factors coming into play (eg. stocking) we expect improved fishing action over the coming week within the fly fishing only sections.  Cooler temperatures will also contribute to good fishing action for brook and rainbow trout at our outfitter lakes.  Local stillwater action on bass and pike remains good to excellent depending on the daily weather patterns.
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Week of August 15 (DRFI 3.0) 

Cooler night temperatures and the forecasted precipitations over the coming week will continue to lower water temperatures throughout the area including the Diable.  Morning water temperature readings on the Diable are consistently around 15C with some sections expected to continue reaching slightly above 20C on the surface by afternoon, especially on the warmer sunnier days.  There are moderate to light hatches with nothing dominant.  Despite the ideal wading conditions on the Diable, trout remain very elusive with catch rates remaining very low and for that reason we are maintaining our DRFI for this week.  Early mornings remain your best fishing times.  Cooler temperatures are contributing to some good fishing action for brook and rainbow trout at our outfitter lakes with several takes in the upper water columns on a variety of fly pattern presented on sinking lines.  Local stillwater action on bass and pike remains good to excellent depending on the daily weather patterns.
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Week of August 1 (DRFI 3.0) 

The cooler night temperatures over the weekend was a welcome relief and contributed to lowering water temperatures throughout the area including the Diable which saw morning water temperatures of 15C which rose to 20C by afternoon due to low water levels and warm sunny daytime temperatures.  Forecasted showers during the coming week should help re-invigorate fishing conditions on the Diable River by raising water levels and re-establishing fish habitat. There has been an increase in hatches, including a late season stonefly hatch, during the past week.  Despite the ideal wading conditions on the Diable, trout remain very elusive and do not appear to respond to the improved water conditions with catch rates remaining very low.  We are downgrading our DRFI for this week on that basis.  Early mornings remain your best fishing times.  Cooler temperatures are contributing to some good fishing action for brook and rainbow trout at our outfitter lakes with several takes in the upper water columns on a variety of fly pattern presented on sinking lines.  Local stillwater action on bass and pike remains good to excellent depending on the daily weather patterns and with the declining moon this week we expect excellent conditions on the sunnier of the coming days.
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Week of July 18 (DRFI 3.5) 

The forecasted precipitations and cooler temperatures over the coming week should help re-invigorate fishing conditions on the Diable River by raising water levels and re-establishing fish habitat.  River flows are rising and water temperatures are expected to decline slightly over the week to around 20C.  We still expect catch levels to remain low this week as the trout remain stationary in deeper and well oxigenated waters.  Deeper fly presentations are therefore likely to produce better than dries.   Early mornings remain your best fishing times.  Warmer temperatures are also sending brook and rainbow trout into deeper waters at our outfitter lakes.  Area lake guides are also reporting slower and deeper action on lake trout and landlocked salmon with their attention now clearly focused on the warmer species of bass and pike.
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Week of July 11 (DRFI 3.5) 

Last weeks heat wave had a very negative effect on the fishing conditions which will persist during this week.  Heavy rainfalls early in the week helped raise water levels on the Diable and other streams and helped re-establish some of the fish habitat. Continued high temperatures over the coming week will keep fishing action slow on the Diable River and area lakes for trout. River flows are low and there continues to be an absence of any meaningful precipitation.  Water temperatures are expected to remain around 20C, potentially reaching 25C in some sections.  We expect low catch levels this week as the trout remain stationary in deeper and well oxigenated waters.  Deeper fly presentations are therefore likely to produce better than dries.  Care should be taken when fighting and releasing fish particularly during mid-day when survival may be difficult.  Early mornings will be your best fishing times.  Warmer temperatures are also sending brook and rainbow trout into deeper waters at our outfitter lakes.  Area lake guides are also reporting slower and deeper action on lake trout and landlocked salmon with their attention now clearly focused on the warmer species of bass and pike.

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Week of July 4 (DRFI 3.5) 

Rising temperatures over the weekend and the onset of a heatwave over the coming week will slow down the action on the Diable River and area lakes for trout. With river flows remaining very low and the absence of any meaningful precipitation, water temperatures are rising above 20C and are expected to reach 25C on the surface by week`s end.  As most of the action has been on brookies, we expect a drop in catch levels this week as the trout become more stationary in deeper waters.  Deeper fly presentations are therefore likely to produce better than dries.  As temperatures climb, care should be taken when fighting and releasing fish particularly during mid-day when survival may be difficult.  Early mornings will be your best fishing times.  Warmer temperatures are also sending brook and rainbow trout into deeper waters at our outfitter lakes.  Area lake guides are also reporting slower and deeper action on lake trout and landlocked salmon with their attention now clearly shifting to the warmer species of bass and pike.
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Week of June 27 (DRFI 4.0) 

What can we say, the Diable River simply continues to fish very well. River flows are very low but with the cooler temperatures and variable weather patterns, including the odd rain showers and partially cloudy periods, daytime water temperatures remain within the 16-18 C range. Trout are responding well to dry fly and nymph presentations with small streamer patterns also productive. Caddis and mayfly hatches have been few and modest and so trout are not targeting any specific pattern. Brook and rainbow trout action is steady at our outfitter lakes but fishing pressure is increasing now that summer traffic has begun.  Area lake guides are still reporting reasonable action on lake trout and landlocked salmon at certain times of the day but their attention is shifting to the warmer species of bass and pike. 
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Week of June 13 (DRFI 4.0) 

The Diable River continues to fish very well this week. River flows are low for this time of year but cooler temperatures and variable weather patterns, including the odd rain showers and partially cloudy periods, is allowing daytime water temperatures to remain in the 16-18 C. Trout are responding well to dry fly and nymph presentations with small streamer patterns also productive. Caddis and mayfly hatches have been few and modest and so trout are not targeting any specific pattern. Brook trout action remains good at our outfitter lakes and the cooler temperatures of the past week has allowed surface and shallow depth action to remain good. Tremblant lake guides are also reporting good lake trout and landlocked salmon. 
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Week of June 6 (DRFI 4.0) 

The Diable River is fishing very well this week. River flows are low for this time of year but cooler temperatures and variable weather patterns, including the odd rain showers and partially cloudy periods, is allowing daytime water temperatures to remain in the 16-18 C. Trout are responding well to dry fly and nymph presentations with small streamer patterns also productive. Caddis and mayfly hatches have been few and modest and so trout are not targeting any specific pattern. Brook trout action remains good at our outfitter lakes and the cooler temperatures of the past week has improved surface and shallow depth action. Tremblant lake guides are also reporting good lake trout and landlocked salmon. 
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Week of May 16 (DRFI 3.0)

Area lakes remain the most active at this stage of the season but with the warming temperatures, fish are beginning to hold in increasingly deeper waters.  Guides are reporting good action on lake trout but in the smaller size ranges, as well as the odd landlocked.  Action at our outfitter lakes was a bit slower over the past weekend with rainbows and brookies also locating in deeper waters.  There has been very light fishing pressure on the Diable River over the past weeks and angling reports are that fish hook-ups were low.  The Diable is seeing good hatches, particularly caddis but also early mayflies - look for browns and brookies to begin actively feeding on these flies.  Water levels are moderate and water temperatures are in the ideal trout range.  As air temperatures climb this week look for water temperatures to move within the ideal trout range of 58-65F (15-18C) throughout the week.  We are forecasting a solid stretch of ideal early season conditions on area lakes, streams and rivers.  Look for trout to be increasingly moving into their summer holding patterns and to actively begin feeding according to the prevailing hatch patterns.  Enjoy the long weekend ahead fishing your favorate Tremblant waters.    
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Week of May 9 (DRFI 2.0)